Home / 81,244.04-121,894.92-36,261.32

Finding the Fourth Proportional to 81,244.04, 121,894.92 and 36,261.32

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Solution

The fourth proportional to 81,244.04, 121,894.92 and 36,261.32 is: 54,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.04 : 121,894.92 = 36,261.32 : x
  2. Step 2: Convert to fraction form
    81,244.04/121,894.92 = 36,261.32/x
  3. Step 3: Cross multiply
    81,244.04x = 121,894.92 × 36,261.32
  4. Step 4: Simplify right side
    81,244.04x = 4,420,070,091.02
  5. Step 5: Solve for x
    x = 4,420,070,091.02/81,244.04
  6. Step 6: Final answer
    x = 54,404.86

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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.