Home / 129,983.32-195,052.66-119,407.96

Finding the Fourth Proportional to 129,983.32, 195,052.66 and 119,407.96

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Solution

The fourth proportional to 129,983.32, 195,052.66 and 119,407.96 is: 179,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.32 : 195,052.66 = 119,407.96 : x
  2. Step 2: Convert to fraction form
    129,983.32/195,052.66 = 119,407.96/x
  3. Step 3: Cross multiply
    129,983.32x = 195,052.66 × 119,407.96
  4. Step 4: Simplify right side
    129,983.32x = 23,290,840,223.17
  5. Step 5: Solve for x
    x = 23,290,840,223.17/129,983.32
  6. Step 6: Final answer
    x = 179,183.30

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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.