Home / 101,517.12-140,097.36-55,579.98

Finding the Fourth Proportional to 101,517.12, 140,097.36 and 55,579.98

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Solution

The fourth proportional to 101,517.12, 140,097.36 and 55,579.98 is: 76,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,517.12 : 140,097.36 = 55,579.98 : x
  2. Step 2: Convert to fraction form
    101,517.12/140,097.36 = 55,579.98/x
  3. Step 3: Cross multiply
    101,517.12x = 140,097.36 × 55,579.98
  4. Step 4: Simplify right side
    101,517.12x = 7,786,608,466.85
  5. Step 5: Solve for x
    x = 7,786,608,466.85/101,517.12
  6. Step 6: Final answer
    x = 76,702.42

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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.