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Finding the Fourth Proportional to 136,633.80, 204,950.70 and 96,544.20

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Solution

The fourth proportional to 136,633.80, 204,950.70 and 96,544.20 is: 144,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,633.80 : 204,950.70 = 96,544.20 : x
  2. Step 2: Convert to fraction form
    136,633.80/204,950.70 = 96,544.20/x
  3. Step 3: Cross multiply
    136,633.80x = 204,950.70 × 96,544.20
  4. Step 4: Simplify right side
    136,633.80x = 19,786,801,370.94
  5. Step 5: Solve for x
    x = 19,786,801,370.94/136,633.80
  6. Step 6: Final answer
    x = 144,816.30

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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.