Home / 149,769.20-224,653.80-135,945.20

Finding the Fourth Proportional to 149,769.20, 224,653.80 and 135,945.20

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Solution

The fourth proportional to 149,769.20, 224,653.80 and 135,945.20 is: 203,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,769.20 : 224,653.80 = 135,945.20 : x
  2. Step 2: Convert to fraction form
    149,769.20/224,653.80 = 135,945.20/x
  3. Step 3: Cross multiply
    149,769.20x = 224,653.80 × 135,945.20
  4. Step 4: Simplify right side
    149,769.20x = 30,540,605,771.76
  5. Step 5: Solve for x
    x = 30,540,605,771.76/149,769.20
  6. Step 6: Final answer
    x = 203,917.80

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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.