Home / 124,934.40-187,401.60-36,190.80

Finding the Fourth Proportional to 124,934.40, 187,401.60 and 36,190.80

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Solution

The fourth proportional to 124,934.40, 187,401.60 and 36,190.80 is: 54,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934.40 : 187,401.60 = 36,190.80 : x
  2. Step 2: Convert to fraction form
    124,934.40/187,401.60 = 36,190.80/x
  3. Step 3: Cross multiply
    124,934.40x = 187,401.60 × 36,190.80
  4. Step 4: Simplify right side
    124,934.40x = 6,782,213,825.28
  5. Step 5: Solve for x
    x = 6,782,213,825.28/124,934.40
  6. Step 6: Final answer
    x = 54,286.20

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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.