Home / 102,614.56-141,610.92-57,290.80

Finding the Fourth Proportional to 102,614.56, 141,610.92 and 57,290.80

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Solution

The fourth proportional to 102,614.56, 141,610.92 and 57,290.80 is: 79,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,614.56 : 141,610.92 = 57,290.80 : x
  2. Step 2: Convert to fraction form
    102,614.56/141,610.92 = 57,290.80/x
  3. Step 3: Cross multiply
    102,614.56x = 141,610.92 × 57,290.80
  4. Step 4: Simplify right side
    102,614.56x = 8,113,002,895.54
  5. Step 5: Solve for x
    x = 8,113,002,895.54/102,614.56
  6. Step 6: Final answer
    x = 79,062.88

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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.