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Finding the Fourth Proportional to 81,498.88, 122,248.32 and 22,334.86

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Solution

The fourth proportional to 81,498.88, 122,248.32 and 22,334.86 is: 33,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,498.88 : 122,248.32 = 22,334.86 : x
  2. Step 2: Convert to fraction form
    81,498.88/122,248.32 = 22,334.86/x
  3. Step 3: Cross multiply
    81,498.88x = 122,248.32 × 22,334.86
  4. Step 4: Simplify right side
    81,498.88x = 2,730,399,112.44
  5. Step 5: Solve for x
    x = 2,730,399,112.44/81,498.88
  6. Step 6: Final answer
    x = 33,502.29

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1.5x scale

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.