Home / 72,203.11-108,306.15-22,283.24

Finding the Fourth Proportional to 72,203.11, 108,306.15 and 22,283.24

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Solution

The fourth proportional to 72,203.11, 108,306.15 and 22,283.24 is: 33,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,203.11 : 108,306.15 = 22,283.24 : x
  2. Step 2: Convert to fraction form
    72,203.11/108,306.15 = 22,283.24/x
  3. Step 3: Cross multiply
    72,203.11x = 108,306.15 × 22,283.24
  4. Step 4: Simplify right side
    72,203.11x = 2,413,411,308.83
  5. Step 5: Solve for x
    x = 2,413,411,308.83/72,203.11
  6. Step 6: Final answer
    x = 33,425.31

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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.