Home / 126,964.20-175,151.70-89,260.68

Finding the Fourth Proportional to 126,964.20, 175,151.70 and 89,260.68

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Solution

The fourth proportional to 126,964.20, 175,151.70 and 89,260.68 is: 123,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,964.20 : 175,151.70 = 89,260.68 : x
  2. Step 2: Convert to fraction form
    126,964.20/175,151.70 = 89,260.68/x
  3. Step 3: Cross multiply
    126,964.20x = 175,151.70 × 89,260.68
  4. Step 4: Simplify right side
    126,964.20x = 15,634,159,845.16
  5. Step 5: Solve for x
    x = 15,634,159,845.16/126,964.20
  6. Step 6: Final answer
    x = 123,138.33

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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.