Home / 126,308.76-174,306.10-69,720.14

Finding the Fourth Proportional to 126,308.76, 174,306.10 and 69,720.14

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Solution

The fourth proportional to 126,308.76, 174,306.10 and 69,720.14 is: 96,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.76 : 174,306.10 = 69,720.14 : x
  2. Step 2: Convert to fraction form
    126,308.76/174,306.10 = 69,720.14/x
  3. Step 3: Cross multiply
    126,308.76x = 174,306.10 × 69,720.14
  4. Step 4: Simplify right side
    126,308.76x = 12,152,645,694.85
  5. Step 5: Solve for x
    x = 12,152,645,694.85/126,308.76
  6. Step 6: Final answer
    x = 96,213.80

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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.