Home / 89,398.71-134,115.36-30,244.02

Finding the Fourth Proportional to 89,398.71, 134,115.36 and 30,244.02

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Solution

The fourth proportional to 89,398.71, 134,115.36 and 30,244.02 is: 45,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.71 : 134,115.36 = 30,244.02 : x
  2. Step 2: Convert to fraction form
    89,398.71/134,115.36 = 30,244.02/x
  3. Step 3: Cross multiply
    89,398.71x = 134,115.36 × 30,244.02
  4. Step 4: Simplify right side
    89,398.71x = 4,056,187,630.15
  5. Step 5: Solve for x
    x = 4,056,187,630.15/89,398.71
  6. Step 6: Final answer
    x = 45,371.88

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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.