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Finding the Fourth Proportional to 159,579.52, 220,015.28 and 130,793.28

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Solution

The fourth proportional to 159,579.52, 220,015.28 and 130,793.28 is: 180,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,579.52 : 220,015.28 = 130,793.28 : x
  2. Step 2: Convert to fraction form
    159,579.52/220,015.28 = 130,793.28/x
  3. Step 3: Cross multiply
    159,579.52x = 220,015.28 × 130,793.28
  4. Step 4: Simplify right side
    159,579.52x = 28,776,520,121.32
  5. Step 5: Solve for x
    x = 28,776,520,121.32/159,579.52
  6. Step 6: Final answer
    x = 180,327.15

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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.