Home / 100,182.62-150,229.89-30,045.53

Finding the Fourth Proportional to 100,182.62, 150,229.89 and 30,045.53

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Solution

The fourth proportional to 100,182.62, 150,229.89 and 30,045.53 is: 45,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,182.62 : 150,229.89 = 30,045.53 : x
  2. Step 2: Convert to fraction form
    100,182.62/150,229.89 = 30,045.53/x
  3. Step 3: Cross multiply
    100,182.62x = 150,229.89 × 30,045.53
  4. Step 4: Simplify right side
    100,182.62x = 4,513,737,042.47
  5. Step 5: Solve for x
    x = 4,513,737,042.47/100,182.62
  6. Step 6: Final answer
    x = 45,055.09

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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.