Home / 126,691.40-174,852.68-72,965.96

Finding the Fourth Proportional to 126,691.40, 174,852.68 and 72,965.96

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Solution

The fourth proportional to 126,691.40, 174,852.68 and 72,965.96 is: 100,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,691.40 : 174,852.68 = 72,965.96 : x
  2. Step 2: Convert to fraction form
    126,691.40/174,852.68 = 72,965.96/x
  3. Step 3: Cross multiply
    126,691.40x = 174,852.68 × 72,965.96
  4. Step 4: Simplify right side
    126,691.40x = 12,758,293,654.77
  5. Step 5: Solve for x
    x = 12,758,293,654.77/126,691.40
  6. Step 6: Final answer
    x = 100,703.71

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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.