Home / 102,260.88-141,082.56-61,945.56

Finding the Fourth Proportional to 102,260.88, 141,082.56 and 61,945.56

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Solution

The fourth proportional to 102,260.88, 141,082.56 and 61,945.56 is: 85,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,260.88 : 141,082.56 = 61,945.56 : x
  2. Step 2: Convert to fraction form
    102,260.88/141,082.56 = 61,945.56/x
  3. Step 3: Cross multiply
    102,260.88x = 141,082.56 × 61,945.56
  4. Step 4: Simplify right side
    102,260.88x = 8,739,438,185.43
  5. Step 5: Solve for x
    x = 8,739,438,185.43/102,260.88
  6. Step 6: Final answer
    x = 85,462.18

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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.