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Finding the Fourth Proportional to 163,217.20, 244,825.80 and 93,233.20

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Solution

The fourth proportional to 163,217.20, 244,825.80 and 93,233.20 is: 139,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,217.20 : 244,825.80 = 93,233.20 : x
  2. Step 2: Convert to fraction form
    163,217.20/244,825.80 = 93,233.20/x
  3. Step 3: Cross multiply
    163,217.20x = 244,825.80 × 93,233.20
  4. Step 4: Simplify right side
    163,217.20x = 22,825,892,776.56
  5. Step 5: Solve for x
    x = 22,825,892,776.56/163,217.20
  6. Step 6: Final answer
    x = 139,849.80

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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.