Home / 83,464.29-125,321.51-72,254.21

Finding the Fourth Proportional to 83,464.29, 125,321.51 and 72,254.21

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Solution

The fourth proportional to 83,464.29, 125,321.51 and 72,254.21 is: 108,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.29 : 125,321.51 = 72,254.21 : x
  2. Step 2: Convert to fraction form
    83,464.29/125,321.51 = 72,254.21/x
  3. Step 3: Cross multiply
    83,464.29x = 125,321.51 × 72,254.21
  4. Step 4: Simplify right side
    83,464.29x = 9,055,006,701.06
  5. Step 5: Solve for x
    x = 9,055,006,701.06/83,464.29
  6. Step 6: Final answer
    x = 108,489.59

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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.