Home / 89,713.38-134,570.31-84,232.92

Finding the Fourth Proportional to 89,713.38, 134,570.31 and 84,232.92

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Solution

The fourth proportional to 89,713.38, 134,570.31 and 84,232.92 is: 126,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713.38 : 134,570.31 = 84,232.92 : x
  2. Step 2: Convert to fraction form
    89,713.38/134,570.31 = 84,232.92/x
  3. Step 3: Cross multiply
    89,713.38x = 134,570.31 × 84,232.92
  4. Step 4: Simplify right side
    89,713.38x = 11,335,250,156.61
  5. Step 5: Solve for x
    x = 11,335,250,156.61/89,713.38
  6. Step 6: Final answer
    x = 126,349.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.