Home / 149,914.85-224,761.10-90,736.65

Finding the Fourth Proportional to 149,914.85, 224,761.10 and 90,736.65

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Solution

The fourth proportional to 149,914.85, 224,761.10 and 90,736.65 is: 136,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,914.85 : 224,761.10 = 90,736.65 : x
  2. Step 2: Convert to fraction form
    149,914.85/224,761.10 = 90,736.65/x
  3. Step 3: Cross multiply
    149,914.85x = 224,761.10 × 90,736.65
  4. Step 4: Simplify right side
    149,914.85x = 20,394,068,810.63
  5. Step 5: Solve for x
    x = 20,394,068,810.63/149,914.85
  6. Step 6: Final answer
    x = 136,037.69

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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.