Home / 231,034.08-318,812.04-134,229.36

Finding the Fourth Proportional to 231,034.08, 318,812.04 and 134,229.36

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Solution

The fourth proportional to 231,034.08, 318,812.04 and 134,229.36 is: 185,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,034.08 : 318,812.04 = 134,229.36 : x
  2. Step 2: Convert to fraction form
    231,034.08/318,812.04 = 134,229.36/x
  3. Step 3: Cross multiply
    231,034.08x = 318,812.04 × 134,229.36
  4. Step 4: Simplify right side
    231,034.08x = 42,793,936,089.49
  5. Step 5: Solve for x
    x = 42,793,936,089.49/231,034.08
  6. Step 6: Final answer
    x = 185,227.81

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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.