Home / 100,936.59-151,291.76-40,951.14

Finding the Fourth Proportional to 100,936.59, 151,291.76 and 40,951.14

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Solution

The fourth proportional to 100,936.59, 151,291.76 and 40,951.14 is: 61,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.59 : 151,291.76 = 40,951.14 : x
  2. Step 2: Convert to fraction form
    100,936.59/151,291.76 = 40,951.14/x
  3. Step 3: Cross multiply
    100,936.59x = 151,291.76 × 40,951.14
  4. Step 4: Simplify right side
    100,936.59x = 6,195,569,839.85
  5. Step 5: Solve for x
    x = 6,195,569,839.85/100,936.59
  6. Step 6: Final answer
    x = 61,380.81

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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.