Home / 102,761.07-141,811.25-60,320.31

Finding the Fourth Proportional to 102,761.07, 141,811.25 and 60,320.31

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Solution

The fourth proportional to 102,761.07, 141,811.25 and 60,320.31 is: 83,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,761.07 : 141,811.25 = 60,320.31 : x
  2. Step 2: Convert to fraction form
    102,761.07/141,811.25 = 60,320.31/x
  3. Step 3: Cross multiply
    102,761.07x = 141,811.25 × 60,320.31
  4. Step 4: Simplify right side
    102,761.07x = 8,554,098,561.49
  5. Step 5: Solve for x
    x = 8,554,098,561.49/102,761.07
  6. Step 6: Final answer
    x = 83,242.60

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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.