Home / 81,416.27-122,108.18-22,237.90

Finding the Fourth Proportional to 81,416.27, 122,108.18 and 22,237.90

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Solution

The fourth proportional to 81,416.27, 122,108.18 and 22,237.90 is: 33,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,416.27 : 122,108.18 = 22,237.90 : x
  2. Step 2: Convert to fraction form
    81,416.27/122,108.18 = 22,237.90/x
  3. Step 3: Cross multiply
    81,416.27x = 122,108.18 × 22,237.90
  4. Step 4: Simplify right side
    81,416.27x = 2,715,429,496.02
  5. Step 5: Solve for x
    x = 2,715,429,496.02/81,416.27
  6. Step 6: Final answer
    x = 33,352.42

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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.