Home / 161,833.20-242,663.40-68,233.20

Finding the Fourth Proportional to 161,833.20, 242,663.40 and 68,233.20

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Solution

The fourth proportional to 161,833.20, 242,663.40 and 68,233.20 is: 102,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,833.20 : 242,663.40 = 68,233.20 : x
  2. Step 2: Convert to fraction form
    161,833.20/242,663.40 = 68,233.20/x
  3. Step 3: Cross multiply
    161,833.20x = 242,663.40 × 68,233.20
  4. Step 4: Simplify right side
    161,833.20x = 16,557,700,304.88
  5. Step 5: Solve for x
    x = 16,557,700,304.88/161,833.20
  6. Step 6: Final answer
    x = 102,313.37

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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.