Home / 231,937.92-320,031.36-136,463.04

Finding the Fourth Proportional to 231,937.92, 320,031.36 and 136,463.04

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Solution

The fourth proportional to 231,937.92, 320,031.36 and 136,463.04 is: 188,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,937.92 : 320,031.36 = 136,463.04 : x
  2. Step 2: Convert to fraction form
    231,937.92/320,031.36 = 136,463.04/x
  3. Step 3: Cross multiply
    231,937.92x = 320,031.36 × 136,463.04
  4. Step 4: Simplify right side
    231,937.92x = 43,672,452,280.93
  5. Step 5: Solve for x
    x = 43,672,452,280.93/231,937.92
  6. Step 6: Final answer
    x = 188,293.71

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1.5x scale

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.