Home / 89,385.38-134,076.44-75,435.02

Finding the Fourth Proportional to 89,385.38, 134,076.44 and 75,435.02

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Solution

The fourth proportional to 89,385.38, 134,076.44 and 75,435.02 is: 113,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,385.38 : 134,076.44 = 75,435.02 : x
  2. Step 2: Convert to fraction form
    89,385.38/134,076.44 = 75,435.02/x
  3. Step 3: Cross multiply
    89,385.38x = 134,076.44 × 75,435.02
  4. Step 4: Simplify right side
    89,385.38x = 10,114,058,932.93
  5. Step 5: Solve for x
    x = 10,114,058,932.93/89,385.38
  6. Step 6: Final answer
    x = 113,151.15

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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.