Home / 88,098.86-121,442.13-69,203.18

Finding the Fourth Proportional to 88,098.86, 121,442.13 and 69,203.18

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Solution

The fourth proportional to 88,098.86, 121,442.13 and 69,203.18 is: 95,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.86 : 121,442.13 = 69,203.18 : x
  2. Step 2: Convert to fraction form
    88,098.86/121,442.13 = 69,203.18/x
  3. Step 3: Cross multiply
    88,098.86x = 121,442.13 × 69,203.18
  4. Step 4: Simplify right side
    88,098.86x = 8,404,181,581.97
  5. Step 5: Solve for x
    x = 8,404,181,581.97/88,098.86
  6. Step 6: Final answer
    x = 95,394.90

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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.