Home / 89,704.91-134,557.56-84,224.43

Finding the Fourth Proportional to 89,704.91, 134,557.56 and 84,224.43

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Solution

The fourth proportional to 89,704.91, 134,557.56 and 84,224.43 is: 126,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,704.91 : 134,557.56 = 84,224.43 : x
  2. Step 2: Convert to fraction form
    89,704.91/134,557.56 = 84,224.43/x
  3. Step 3: Cross multiply
    89,704.91x = 134,557.56 × 84,224.43
  4. Step 4: Simplify right side
    89,704.91x = 11,333,033,793.19
  5. Step 5: Solve for x
    x = 11,333,033,793.19/89,704.91
  6. Step 6: Final answer
    x = 126,336.82

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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.