Home / 283,382.50-391,070.50-156,059

Finding the Fourth Proportional to 283,382.50, 391,070.50 and 156,059

Calculator

Solution

The fourth proportional to 283,382.50, 391,070.50 and 156,059 is: 215,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,382.50 : 391,070.50 = 156,059 : x
  2. Step 2: Convert to fraction form
    283,382.50/391,070.50 = 156,059/x
  3. Step 3: Cross multiply
    283,382.50x = 391,070.50 × 156,059
  4. Step 4: Simplify right side
    283,382.50x = 61,030,071,159.50
  5. Step 5: Solve for x
    x = 61,030,071,159.50/283,382.50
  6. Step 6: Final answer
    x = 215,362.88

Related Problems

Find fourth proportional to 141,691.25, 195,535.25 and 78,029.50
Half scale
Find fourth proportional to 566,765, 782,141 and 312,118
Double scale
Find fourth proportional to 283,383.50, 391,071.88 and 156,060
Similar ratio
Find fourth proportional to 425,073.75, 586,605.75 and 234,088.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.