Home / 126,843.43-175,046.76-72,394.51

Finding the Fourth Proportional to 126,843.43, 175,046.76 and 72,394.51

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Solution

The fourth proportional to 126,843.43, 175,046.76 and 72,394.51 is: 99,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,843.43 : 175,046.76 = 72,394.51 : x
  2. Step 2: Convert to fraction form
    126,843.43/175,046.76 = 72,394.51/x
  3. Step 3: Cross multiply
    126,843.43x = 175,046.76 × 72,394.51
  4. Step 4: Simplify right side
    126,843.43x = 12,672,424,417.29
  5. Step 5: Solve for x
    x = 12,672,424,417.29/126,843.43
  6. Step 6: Final answer
    x = 99,906.04

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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.