Home / 126,452.97-174,503.02-69,869.61

Finding the Fourth Proportional to 126,452.97, 174,503.02 and 69,869.61

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Solution

The fourth proportional to 126,452.97, 174,503.02 and 69,869.61 is: 96,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452.97 : 174,503.02 = 69,869.61 : x
  2. Step 2: Convert to fraction form
    126,452.97/174,503.02 = 69,869.61/x
  3. Step 3: Cross multiply
    126,452.97x = 174,503.02 × 69,869.61
  4. Step 4: Simplify right side
    126,452.97x = 12,192,457,951.22
  5. Step 5: Solve for x
    x = 12,192,457,951.22/126,452.97
  6. Step 6: Final answer
    x = 96,418.91

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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.