Home / 149,230.20-223,704.60-74,279.52

Finding the Fourth Proportional to 149,230.20, 223,704.60 and 74,279.52

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Solution

The fourth proportional to 149,230.20, 223,704.60 and 74,279.52 is: 111,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230.20 : 223,704.60 = 74,279.52 : x
  2. Step 2: Convert to fraction form
    149,230.20/223,704.60 = 74,279.52/x
  3. Step 3: Cross multiply
    149,230.20x = 223,704.60 × 74,279.52
  4. Step 4: Simplify right side
    149,230.20x = 16,616,670,309.79
  5. Step 5: Solve for x
    x = 16,616,670,309.79/149,230.20
  6. Step 6: Final answer
    x = 111,349.25

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1.5x scale

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.