Home / 126,872.25-175,083.72-70,287.27

Finding the Fourth Proportional to 126,872.25, 175,083.72 and 70,287.27

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Solution

The fourth proportional to 126,872.25, 175,083.72 and 70,287.27 is: 96,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.25 : 175,083.72 = 70,287.27 : x
  2. Step 2: Convert to fraction form
    126,872.25/175,083.72 = 70,287.27/x
  3. Step 3: Cross multiply
    126,872.25x = 175,083.72 × 70,287.27
  4. Step 4: Simplify right side
    126,872.25x = 12,306,156,700.24
  5. Step 5: Solve for x
    x = 12,306,156,700.24/126,872.25
  6. Step 6: Final answer
    x = 96,996.44

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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.