Home / 129,983.76-179,376.08-73,397.52

Finding the Fourth Proportional to 129,983.76, 179,376.08 and 73,397.52

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Solution

The fourth proportional to 129,983.76, 179,376.08 and 73,397.52 is: 101,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.76 : 179,376.08 = 73,397.52 : x
  2. Step 2: Convert to fraction form
    129,983.76/179,376.08 = 73,397.52/x
  3. Step 3: Cross multiply
    129,983.76x = 179,376.08 × 73,397.52
  4. Step 4: Simplify right side
    129,983.76x = 13,165,759,419.32
  5. Step 5: Solve for x
    x = 13,165,759,419.32/129,983.76
  6. Step 6: Final answer
    x = 101,287.73

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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.