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Finding the Fourth Proportional to 136,002.70, 204,004.05 and 123,536.80

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Solution

The fourth proportional to 136,002.70, 204,004.05 and 123,536.80 is: 185,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.70 : 204,004.05 = 123,536.80 : x
  2. Step 2: Convert to fraction form
    136,002.70/204,004.05 = 123,536.80/x
  3. Step 3: Cross multiply
    136,002.70x = 204,004.05 × 123,536.80
  4. Step 4: Simplify right side
    136,002.70x = 25,202,007,524.04
  5. Step 5: Solve for x
    x = 25,202,007,524.04/136,002.70
  6. Step 6: Final answer
    x = 185,305.20

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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.