Home / 102,818.92-141,875.02-60,391.12

Finding the Fourth Proportional to 102,818.92, 141,875.02 and 60,391.12

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Solution

The fourth proportional to 102,818.92, 141,875.02 and 60,391.12 is: 83,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818.92 : 141,875.02 = 60,391.12 : x
  2. Step 2: Convert to fraction form
    102,818.92/141,875.02 = 60,391.12/x
  3. Step 3: Cross multiply
    102,818.92x = 141,875.02 × 60,391.12
  4. Step 4: Simplify right side
    102,818.92x = 8,567,991,357.82
  5. Step 5: Solve for x
    x = 8,567,991,357.82/102,818.92
  6. Step 6: Final answer
    x = 83,330.88

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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.