Home / 108,432.30-149,636.34-60,694.86

Finding the Fourth Proportional to 108,432.30, 149,636.34 and 60,694.86

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Solution

The fourth proportional to 108,432.30, 149,636.34 and 60,694.86 is: 83,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432.30 : 149,636.34 = 60,694.86 : x
  2. Step 2: Convert to fraction form
    108,432.30/149,636.34 = 60,694.86/x
  3. Step 3: Cross multiply
    108,432.30x = 149,636.34 × 60,694.86
  4. Step 4: Simplify right side
    108,432.30x = 9,082,156,707.21
  5. Step 5: Solve for x
    x = 9,082,156,707.21/108,432.30
  6. Step 6: Final answer
    x = 83,758.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.