Home / 151,728.30-227,074.05-133,065.90

Finding the Fourth Proportional to 151,728.30, 227,074.05 and 133,065.90

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Solution

The fourth proportional to 151,728.30, 227,074.05 and 133,065.90 is: 199,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,728.30 : 227,074.05 = 133,065.90 : x
  2. Step 2: Convert to fraction form
    151,728.30/227,074.05 = 133,065.90/x
  3. Step 3: Cross multiply
    151,728.30x = 227,074.05 × 133,065.90
  4. Step 4: Simplify right side
    151,728.30x = 30,215,812,829.90
  5. Step 5: Solve for x
    x = 30,215,812,829.90/151,728.30
  6. Step 6: Final answer
    x = 199,144.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.