Home / 102,561.96-141,542.61-57,248.76

Finding the Fourth Proportional to 102,561.96, 141,542.61 and 57,248.76

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Solution

The fourth proportional to 102,561.96, 141,542.61 and 57,248.76 is: 79,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,561.96 : 141,542.61 = 57,248.76 : x
  2. Step 2: Convert to fraction form
    102,561.96/141,542.61 = 57,248.76/x
  3. Step 3: Cross multiply
    102,561.96x = 141,542.61 × 57,248.76
  4. Step 4: Simplify right side
    102,561.96x = 8,103,138,909.66
  5. Step 5: Solve for x
    x = 8,103,138,909.66/102,561.96
  6. Step 6: Final answer
    x = 79,007.25

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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.