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Finding the Fourth Proportional to 149,950.62, 224,882.19 and 71,043.66

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Solution

The fourth proportional to 149,950.62, 224,882.19 and 71,043.66 is: 106,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,950.62 : 224,882.19 = 71,043.66 : x
  2. Step 2: Convert to fraction form
    149,950.62/224,882.19 = 71,043.66/x
  3. Step 3: Cross multiply
    149,950.62x = 224,882.19 × 71,043.66
  4. Step 4: Simplify right side
    149,950.62x = 15,976,453,846.42
  5. Step 5: Solve for x
    x = 15,976,453,846.42/149,950.62
  6. Step 6: Final answer
    x = 106,544.77

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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.