Home / 149,999.20-224,739.60-123,560.80

Finding the Fourth Proportional to 149,999.20, 224,739.60 and 123,560.80

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Solution

The fourth proportional to 149,999.20, 224,739.60 and 123,560.80 is: 185,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999.20 : 224,739.60 = 123,560.80 : x
  2. Step 2: Convert to fraction form
    149,999.20/224,739.60 = 123,560.80/x
  3. Step 3: Cross multiply
    149,999.20x = 224,739.60 × 123,560.80
  4. Step 4: Simplify right side
    149,999.20x = 27,769,004,767.68
  5. Step 5: Solve for x
    x = 27,769,004,767.68/149,999.20
  6. Step 6: Final answer
    x = 185,127.69

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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.