Home / 165,721.20-248,617.80-60,540

Finding the Fourth Proportional to 165,721.20, 248,617.80 and 60,540

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Solution

The fourth proportional to 165,721.20, 248,617.80 and 60,540 is: 90,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.20 : 248,617.80 = 60,540 : x
  2. Step 2: Convert to fraction form
    165,721.20/248,617.80 = 60,540/x
  3. Step 3: Cross multiply
    165,721.20x = 248,617.80 × 60,540
  4. Step 4: Simplify right side
    165,721.20x = 15,051,321,612
  5. Step 5: Solve for x
    x = 15,051,321,612/165,721.20
  6. Step 6: Final answer
    x = 90,823.15

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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.