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Finding the Fourth Proportional to 92,246.60, 138,410.11 and 32,318.07

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Solution

The fourth proportional to 92,246.60, 138,410.11 and 32,318.07 is: 48,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,246.60 : 138,410.11 = 32,318.07 : x
  2. Step 2: Convert to fraction form
    92,246.60/138,410.11 = 32,318.07/x
  3. Step 3: Cross multiply
    92,246.60x = 138,410.11 × 32,318.07
  4. Step 4: Simplify right side
    92,246.60x = 4,473,147,623.69
  5. Step 5: Solve for x
    x = 4,473,147,623.69/92,246.60
  6. Step 6: Final answer
    x = 48,491.19

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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.