Home / 151,731.67-227,643.06-71,830.53

Finding the Fourth Proportional to 151,731.67, 227,643.06 and 71,830.53

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Solution

The fourth proportional to 151,731.67, 227,643.06 and 71,830.53 is: 107,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,731.67 : 227,643.06 = 71,830.53 : x
  2. Step 2: Convert to fraction form
    151,731.67/227,643.06 = 71,830.53/x
  3. Step 3: Cross multiply
    151,731.67x = 227,643.06 × 71,830.53
  4. Step 4: Simplify right side
    151,731.67x = 16,351,721,650.62
  5. Step 5: Solve for x
    x = 16,351,721,650.62/151,731.67
  6. Step 6: Final answer
    x = 107,767.36

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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.