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Finding the Fourth Proportional to 179,655.33, 247,878.72 and 131,825.64

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Solution

The fourth proportional to 179,655.33, 247,878.72 and 131,825.64 is: 181,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,655.33 : 247,878.72 = 131,825.64 : x
  2. Step 2: Convert to fraction form
    179,655.33/247,878.72 = 131,825.64/x
  3. Step 3: Cross multiply
    179,655.33x = 247,878.72 × 131,825.64
  4. Step 4: Simplify right side
    179,655.33x = 32,676,770,906.38
  5. Step 5: Solve for x
    x = 32,676,770,906.38/179,655.33
  6. Step 6: Final answer
    x = 181,885.90

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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.