Home / 126,356.31-174,367.13-69,766.47

Finding the Fourth Proportional to 126,356.31, 174,367.13 and 69,766.47

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Solution

The fourth proportional to 126,356.31, 174,367.13 and 69,766.47 is: 96,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356.31 : 174,367.13 = 69,766.47 : x
  2. Step 2: Convert to fraction form
    126,356.31/174,367.13 = 69,766.47/x
  3. Step 3: Cross multiply
    126,356.31x = 174,367.13 × 69,766.47
  4. Step 4: Simplify right side
    126,356.31x = 12,164,979,144.13
  5. Step 5: Solve for x
    x = 12,164,979,144.13/126,356.31
  6. Step 6: Final answer
    x = 96,275.20

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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.