Home / 115,103.03-172,654.88-40,223.19

Finding the Fourth Proportional to 115,103.03, 172,654.88 and 40,223.19

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Solution

The fourth proportional to 115,103.03, 172,654.88 and 40,223.19 is: 60,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,103.03 : 172,654.88 = 40,223.19 : x
  2. Step 2: Convert to fraction form
    115,103.03/172,654.88 = 40,223.19/x
  3. Step 3: Cross multiply
    115,103.03x = 172,654.88 × 40,223.19
  4. Step 4: Simplify right side
    115,103.03x = 6,944,730,042.67
  5. Step 5: Solve for x
    x = 6,944,730,042.67/115,103.03
  6. Step 6: Final answer
    x = 60,334.90

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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.