Home / 159,470.28-220,292.82-151,072.20

Finding the Fourth Proportional to 159,470.28, 220,292.82 and 151,072.20

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Solution

The fourth proportional to 159,470.28, 220,292.82 and 151,072.20 is: 208,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,470.28 : 220,292.82 = 151,072.20 : x
  2. Step 2: Convert to fraction form
    159,470.28/220,292.82 = 151,072.20/x
  3. Step 3: Cross multiply
    159,470.28x = 220,292.82 × 151,072.20
  4. Step 4: Simplify right side
    159,470.28x = 33,280,120,961.60
  5. Step 5: Solve for x
    x = 33,280,120,961.60/159,470.28
  6. Step 6: Final answer
    x = 208,691.68

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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.