Home / 149,223.33-223,694.29-74,272.62

Finding the Fourth Proportional to 149,223.33, 223,694.29 and 74,272.62

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Solution

The fourth proportional to 149,223.33, 223,694.29 and 74,272.62 is: 111,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,223.33 : 223,694.29 = 74,272.62 : x
  2. Step 2: Convert to fraction form
    149,223.33/223,694.29 = 74,272.62/x
  3. Step 3: Cross multiply
    149,223.33x = 223,694.29 × 74,272.62
  4. Step 4: Simplify right side
    149,223.33x = 16,614,360,811.66
  5. Step 5: Solve for x
    x = 16,614,360,811.66/149,223.33
  6. Step 6: Final answer
    x = 111,338.90

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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.