Home / 129,834.32-179,171.40-73,257.68

Finding the Fourth Proportional to 129,834.32, 179,171.40 and 73,257.68

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Solution

The fourth proportional to 129,834.32, 179,171.40 and 73,257.68 is: 101,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.32 : 179,171.40 = 73,257.68 : x
  2. Step 2: Convert to fraction form
    129,834.32/179,171.40 = 73,257.68/x
  3. Step 3: Cross multiply
    129,834.32x = 179,171.40 × 73,257.68
  4. Step 4: Simplify right side
    129,834.32x = 13,125,681,086.35
  5. Step 5: Solve for x
    x = 13,125,681,086.35/129,834.32
  6. Step 6: Final answer
    x = 101,095.62

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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.