Home / 167,799.40-231,648.86-129,472.83

Finding the Fourth Proportional to 167,799.40, 231,648.86 and 129,472.83

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Solution

The fourth proportional to 167,799.40, 231,648.86 and 129,472.83 is: 178,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,799.40 : 231,648.86 = 129,472.83 : x
  2. Step 2: Convert to fraction form
    167,799.40/231,648.86 = 129,472.83/x
  3. Step 3: Cross multiply
    167,799.40x = 231,648.86 × 129,472.83
  4. Step 4: Simplify right side
    167,799.40x = 29,992,233,794.16
  5. Step 5: Solve for x
    x = 29,992,233,794.16/167,799.40
  6. Step 6: Final answer
    x = 178,738.63

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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.