Home / 129,950.28-195,003.18-119,374.92

Finding the Fourth Proportional to 129,950.28, 195,003.18 and 119,374.92

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Solution

The fourth proportional to 129,950.28, 195,003.18 and 119,374.92 is: 179,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,950.28 : 195,003.18 = 119,374.92 : x
  2. Step 2: Convert to fraction form
    129,950.28/195,003.18 = 119,374.92/x
  3. Step 3: Cross multiply
    129,950.28x = 195,003.18 × 119,374.92
  4. Step 4: Simplify right side
    129,950.28x = 23,278,489,012.25
  5. Step 5: Solve for x
    x = 23,278,489,012.25/129,950.28
  6. Step 6: Final answer
    x = 179,133.81

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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.