Home / 133,052.10-199,578.15-123,429.30

Finding the Fourth Proportional to 133,052.10, 199,578.15 and 123,429.30

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Solution

The fourth proportional to 133,052.10, 199,578.15 and 123,429.30 is: 185,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.10 : 199,578.15 = 123,429.30 : x
  2. Step 2: Convert to fraction form
    133,052.10/199,578.15 = 123,429.30/x
  3. Step 3: Cross multiply
    133,052.10x = 199,578.15 × 123,429.30
  4. Step 4: Simplify right side
    133,052.10x = 24,633,791,349.80
  5. Step 5: Solve for x
    x = 24,633,791,349.80/133,052.10
  6. Step 6: Final answer
    x = 185,143.95

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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.