Home / 89,414.28-134,125.47-36,109.80

Finding the Fourth Proportional to 89,414.28, 134,125.47 and 36,109.80

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Solution

The fourth proportional to 89,414.28, 134,125.47 and 36,109.80 is: 54,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,414.28 : 134,125.47 = 36,109.80 : x
  2. Step 2: Convert to fraction form
    89,414.28/134,125.47 = 36,109.80/x
  3. Step 3: Cross multiply
    89,414.28x = 134,125.47 × 36,109.80
  4. Step 4: Simplify right side
    89,414.28x = 4,843,243,896.61
  5. Step 5: Solve for x
    x = 4,843,243,896.61/89,414.28
  6. Step 6: Final answer
    x = 54,166.34

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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.