Home / 68,209.52-102,304.56-21,461.18

Finding the Fourth Proportional to 68,209.52, 102,304.56 and 21,461.18

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Solution

The fourth proportional to 68,209.52, 102,304.56 and 21,461.18 is: 32,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.52 : 102,304.56 = 21,461.18 : x
  2. Step 2: Convert to fraction form
    68,209.52/102,304.56 = 21,461.18/x
  3. Step 3: Cross multiply
    68,209.52x = 102,304.56 × 21,461.18
  4. Step 4: Simplify right side
    68,209.52x = 2,195,576,576.98
  5. Step 5: Solve for x
    x = 2,195,576,576.98/68,209.52
  6. Step 6: Final answer
    x = 32,188.71

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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.