Home / 115,102.53-172,654.13-40,222.69

Finding the Fourth Proportional to 115,102.53, 172,654.13 and 40,222.69

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Solution

The fourth proportional to 115,102.53, 172,654.13 and 40,222.69 is: 60,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,102.53 : 172,654.13 = 40,222.69 : x
  2. Step 2: Convert to fraction form
    115,102.53/172,654.13 = 40,222.69/x
  3. Step 3: Cross multiply
    115,102.53x = 172,654.13 × 40,222.69
  4. Step 4: Simplify right side
    115,102.53x = 6,944,612,684.94
  5. Step 5: Solve for x
    x = 6,944,612,684.94/115,102.53
  6. Step 6: Final answer
    x = 60,334.14

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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.