Home / 146,132.28-201,665.76-80,720.96

Finding the Fourth Proportional to 146,132.28, 201,665.76 and 80,720.96

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Solution

The fourth proportional to 146,132.28, 201,665.76 and 80,720.96 is: 111,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,132.28 : 201,665.76 = 80,720.96 : x
  2. Step 2: Convert to fraction form
    146,132.28/201,665.76 = 80,720.96/x
  3. Step 3: Cross multiply
    146,132.28x = 201,665.76 × 80,720.96
  4. Step 4: Simplify right side
    146,132.28x = 16,278,653,746.33
  5. Step 5: Solve for x
    x = 16,278,653,746.33/146,132.28
  6. Step 6: Final answer
    x = 111,396.70

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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.