Home / 126,987.30-175,230.09-70,397.46

Finding the Fourth Proportional to 126,987.30, 175,230.09 and 70,397.46

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Solution

The fourth proportional to 126,987.30, 175,230.09 and 70,397.46 is: 97,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,987.30 : 175,230.09 = 70,397.46 : x
  2. Step 2: Convert to fraction form
    126,987.30/175,230.09 = 70,397.46/x
  3. Step 3: Cross multiply
    126,987.30x = 175,230.09 × 70,397.46
  4. Step 4: Simplify right side
    126,987.30x = 12,335,753,251.57
  5. Step 5: Solve for x
    x = 12,335,753,251.57/126,987.30
  6. Step 6: Final answer
    x = 97,141.63

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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.