Home / 134,181.90-201,363.37-55,294.38

Finding the Fourth Proportional to 134,181.90, 201,363.37 and 55,294.38

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Solution

The fourth proportional to 134,181.90, 201,363.37 and 55,294.38 is: 82,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,181.90 : 201,363.37 = 55,294.38 : x
  2. Step 2: Convert to fraction form
    134,181.90/201,363.37 = 55,294.38/x
  3. Step 3: Cross multiply
    134,181.90x = 201,363.37 × 55,294.38
  4. Step 4: Simplify right side
    134,181.90x = 11,134,262,560.62
  5. Step 5: Solve for x
    x = 11,134,262,560.62/134,181.90
  6. Step 6: Final answer
    x = 82,978.87

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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.