Home / 102,229.04-141,082.91-61,946.78

Finding the Fourth Proportional to 102,229.04, 141,082.91 and 61,946.78

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Solution

The fourth proportional to 102,229.04, 141,082.91 and 61,946.78 is: 85,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,229.04 : 141,082.91 = 61,946.78 : x
  2. Step 2: Convert to fraction form
    102,229.04/141,082.91 = 61,946.78/x
  3. Step 3: Cross multiply
    102,229.04x = 141,082.91 × 61,946.78
  4. Step 4: Simplify right side
    102,229.04x = 8,739,631,553.13
  5. Step 5: Solve for x
    x = 8,739,631,553.13/102,229.04
  6. Step 6: Final answer
    x = 85,490.70

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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.