Home / 159,617.57-220,273.79-88,000.20

Finding the Fourth Proportional to 159,617.57, 220,273.79 and 88,000.20

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Solution

The fourth proportional to 159,617.57, 220,273.79 and 88,000.20 is: 121,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,617.57 : 220,273.79 = 88,000.20 : x
  2. Step 2: Convert to fraction form
    159,617.57/220,273.79 = 88,000.20/x
  3. Step 3: Cross multiply
    159,617.57x = 220,273.79 × 88,000.20
  4. Step 4: Simplify right side
    159,617.57x = 19,384,137,134.76
  5. Step 5: Solve for x
    x = 19,384,137,134.76/159,617.57
  6. Step 6: Final answer
    x = 121,441.13

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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.