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Finding the Fourth Proportional to 89,262.32, 133,892.90 and 22,701.87

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Solution

The fourth proportional to 89,262.32, 133,892.90 and 22,701.87 is: 34,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,262.32 : 133,892.90 = 22,701.87 : x
  2. Step 2: Convert to fraction form
    89,262.32/133,892.90 = 22,701.87/x
  3. Step 3: Cross multiply
    89,262.32x = 133,892.90 × 22,701.87
  4. Step 4: Simplify right side
    89,262.32x = 3,039,619,096.21
  5. Step 5: Solve for x
    x = 3,039,619,096.21/89,262.32
  6. Step 6: Final answer
    x = 34,052.66

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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.