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Finding the Fourth Proportional to 163,057.20, 244,585.80 and 93,073.20

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Solution

The fourth proportional to 163,057.20, 244,585.80 and 93,073.20 is: 139,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,057.20 : 244,585.80 = 93,073.20 : x
  2. Step 2: Convert to fraction form
    163,057.20/244,585.80 = 93,073.20/x
  3. Step 3: Cross multiply
    163,057.20x = 244,585.80 × 93,073.20
  4. Step 4: Simplify right side
    163,057.20x = 22,764,383,080.56
  5. Step 5: Solve for x
    x = 22,764,383,080.56/163,057.20
  6. Step 6: Final answer
    x = 139,609.80

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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.