Home / 129,753.72-179,060.46-73,166.04

Finding the Fourth Proportional to 129,753.72, 179,060.46 and 73,166.04

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Solution

The fourth proportional to 129,753.72, 179,060.46 and 73,166.04 is: 100,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,753.72 : 179,060.46 = 73,166.04 : x
  2. Step 2: Convert to fraction form
    129,753.72/179,060.46 = 73,166.04/x
  3. Step 3: Cross multiply
    129,753.72x = 179,060.46 × 73,166.04
  4. Step 4: Simplify right side
    129,753.72x = 13,101,144,778.78
  5. Step 5: Solve for x
    x = 13,101,144,778.78/129,753.72
  6. Step 6: Final answer
    x = 100,969.32

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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.