Home / 136,415.20-204,277.20-108,767.20

Finding the Fourth Proportional to 136,415.20, 204,277.20 and 108,767.20

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Solution

The fourth proportional to 136,415.20, 204,277.20 and 108,767.20 is: 162,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,415.20 : 204,277.20 = 108,767.20 : x
  2. Step 2: Convert to fraction form
    136,415.20/204,277.20 = 108,767.20/x
  3. Step 3: Cross multiply
    136,415.20x = 204,277.20 × 108,767.20
  4. Step 4: Simplify right side
    136,415.20x = 22,218,659,067.84
  5. Step 5: Solve for x
    x = 22,218,659,067.84/136,415.20
  6. Step 6: Final answer
    x = 162,875.24

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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.