Home / 90,181.08-124,447.20-49,892.52

Finding the Fourth Proportional to 90,181.08, 124,447.20 and 49,892.52

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Solution

The fourth proportional to 90,181.08, 124,447.20 and 49,892.52 is: 68,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,181.08 : 124,447.20 = 49,892.52 : x
  2. Step 2: Convert to fraction form
    90,181.08/124,447.20 = 49,892.52/x
  3. Step 3: Cross multiply
    90,181.08x = 124,447.20 × 49,892.52
  4. Step 4: Simplify right side
    90,181.08x = 6,208,984,414.94
  5. Step 5: Solve for x
    x = 6,208,984,414.94/90,181.08
  6. Step 6: Final answer
    x = 68,850.19

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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.