Home / 159,549.75-220,170.15-91,552.68

Finding the Fourth Proportional to 159,549.75, 220,170.15 and 91,552.68

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Solution

The fourth proportional to 159,549.75, 220,170.15 and 91,552.68 is: 126,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,549.75 : 220,170.15 = 91,552.68 : x
  2. Step 2: Convert to fraction form
    159,549.75/220,170.15 = 91,552.68/x
  3. Step 3: Cross multiply
    159,549.75x = 220,170.15 × 91,552.68
  4. Step 4: Simplify right side
    159,549.75x = 20,157,167,288.50
  5. Step 5: Solve for x
    x = 20,157,167,288.50/159,549.75
  6. Step 6: Final answer
    x = 126,337.82

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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.