Home / 112,200.80-168,085.20-88,382.30

Finding the Fourth Proportional to 112,200.80, 168,085.20 and 88,382.30

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Solution

The fourth proportional to 112,200.80, 168,085.20 and 88,382.30 is: 132,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.80 : 168,085.20 = 88,382.30 : x
  2. Step 2: Convert to fraction form
    112,200.80/168,085.20 = 88,382.30/x
  3. Step 3: Cross multiply
    112,200.80x = 168,085.20 × 88,382.30
  4. Step 4: Simplify right side
    112,200.80x = 14,855,756,571.96
  5. Step 5: Solve for x
    x = 14,855,756,571.96/112,200.80
  6. Step 6: Final answer
    x = 132,403.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.