Home / 262,980-362,912.40-143,748

Finding the Fourth Proportional to 262,980, 362,912.40 and 143,748

Calculator

Solution

The fourth proportional to 262,980, 362,912.40 and 143,748 is: 198,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,980 : 362,912.40 = 143,748 : x
  2. Step 2: Convert to fraction form
    262,980/362,912.40 = 143,748/x
  3. Step 3: Cross multiply
    262,980x = 362,912.40 × 143,748
  4. Step 4: Simplify right side
    262,980x = 52,167,931,675.20
  5. Step 5: Solve for x
    x = 52,167,931,675.20/262,980
  6. Step 6: Final answer
    x = 198,372.24

Related Problems

Find fourth proportional to 131,490, 181,456.20 and 71,874
Half scale
Find fourth proportional to 525,960, 725,824.80 and 287,496
Double scale
Find fourth proportional to 262,981, 362,913.78 and 143,749
Similar ratio
Find fourth proportional to 394,470, 544,368.60 and 215,622
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.