Home / 115,186.10-172,797.66-40,304.57

Finding the Fourth Proportional to 115,186.10, 172,797.66 and 40,304.57

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Solution

The fourth proportional to 115,186.10, 172,797.66 and 40,304.57 is: 60,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.10 : 172,797.66 = 40,304.57 : x
  2. Step 2: Convert to fraction form
    115,186.10/172,797.66 = 40,304.57/x
  3. Step 3: Cross multiply
    115,186.10x = 172,797.66 × 40,304.57
  4. Step 4: Simplify right side
    115,186.10x = 6,964,534,519.32
  5. Step 5: Solve for x
    x = 6,964,534,519.32/115,186.10
  6. Step 6: Final answer
    x = 60,463.33

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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.