Home / 124,232.30-171,396.88-81,236.96

Finding the Fourth Proportional to 124,232.30, 171,396.88 and 81,236.96

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Solution

The fourth proportional to 124,232.30, 171,396.88 and 81,236.96 is: 112,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,232.30 : 171,396.88 = 81,236.96 : x
  2. Step 2: Convert to fraction form
    124,232.30/171,396.88 = 81,236.96/x
  3. Step 3: Cross multiply
    124,232.30x = 171,396.88 × 81,236.96
  4. Step 4: Simplify right side
    124,232.30x = 13,923,761,067.35
  5. Step 5: Solve for x
    x = 13,923,761,067.35/124,232.30
  6. Step 6: Final answer
    x = 112,078.43

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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.