Home / 115,172.88-172,650.12-40,244.33

Finding the Fourth Proportional to 115,172.88, 172,650.12 and 40,244.33

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Solution

The fourth proportional to 115,172.88, 172,650.12 and 40,244.33 is: 60,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,172.88 : 172,650.12 = 40,244.33 : x
  2. Step 2: Convert to fraction form
    115,172.88/172,650.12 = 40,244.33/x
  3. Step 3: Cross multiply
    115,172.88x = 172,650.12 × 40,244.33
  4. Step 4: Simplify right side
    115,172.88x = 6,948,187,540.57
  5. Step 5: Solve for x
    x = 6,948,187,540.57/115,172.88
  6. Step 6: Final answer
    x = 60,328.33

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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.