Home / 89,122.40-133,687.61-29,154.29

Finding the Fourth Proportional to 89,122.40, 133,687.61 and 29,154.29

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Solution

The fourth proportional to 89,122.40, 133,687.61 and 29,154.29 is: 43,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.40 : 133,687.61 = 29,154.29 : x
  2. Step 2: Convert to fraction form
    89,122.40/133,687.61 = 29,154.29/x
  3. Step 3: Cross multiply
    89,122.40x = 133,687.61 × 29,154.29
  4. Step 4: Simplify right side
    89,122.40x = 3,897,566,537.14
  5. Step 5: Solve for x
    x = 3,897,566,537.14/89,122.40
  6. Step 6: Final answer
    x = 43,732.74

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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.