Home / 126,973.20-175,221.83-69,615.70

Finding the Fourth Proportional to 126,973.20, 175,221.83 and 69,615.70

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Solution

The fourth proportional to 126,973.20, 175,221.83 and 69,615.70 is: 96,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,973.20 : 175,221.83 = 69,615.70 : x
  2. Step 2: Convert to fraction form
    126,973.20/175,221.83 = 69,615.70/x
  3. Step 3: Cross multiply
    126,973.20x = 175,221.83 × 69,615.70
  4. Step 4: Simplify right side
    126,973.20x = 12,198,191,072.34
  5. Step 5: Solve for x
    x = 12,198,191,072.34/126,973.20
  6. Step 6: Final answer
    x = 96,069.02

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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.