Home / 159,800.24-220,517.84-88,179.30

Finding the Fourth Proportional to 159,800.24, 220,517.84 and 88,179.30

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Solution

The fourth proportional to 159,800.24, 220,517.84 and 88,179.30 is: 121,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,800.24 : 220,517.84 = 88,179.30 : x
  2. Step 2: Convert to fraction form
    159,800.24/220,517.84 = 88,179.30/x
  3. Step 3: Cross multiply
    159,800.24x = 220,517.84 × 88,179.30
  4. Step 4: Simplify right side
    159,800.24x = 19,445,108,989.16
  5. Step 5: Solve for x
    x = 19,445,108,989.16/159,800.24
  6. Step 6: Final answer
    x = 121,683.85

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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.