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Finding the Fourth Proportional to 126,008.80, 173,890.20 and 69,422.20

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Solution

The fourth proportional to 126,008.80, 173,890.20 and 69,422.20 is: 95,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,008.80 : 173,890.20 = 69,422.20 : x
  2. Step 2: Convert to fraction form
    126,008.80/173,890.20 = 69,422.20/x
  3. Step 3: Cross multiply
    126,008.80x = 173,890.20 × 69,422.20
  4. Step 4: Simplify right side
    126,008.80x = 12,071,840,242.44
  5. Step 5: Solve for x
    x = 12,071,840,242.44/126,008.80
  6. Step 6: Final answer
    x = 95,801.56

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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.