Home / 136,015.10-204,022.65-120,851.90

Finding the Fourth Proportional to 136,015.10, 204,022.65 and 120,851.90

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Solution

The fourth proportional to 136,015.10, 204,022.65 and 120,851.90 is: 181,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.10 : 204,022.65 = 120,851.90 : x
  2. Step 2: Convert to fraction form
    136,015.10/204,022.65 = 120,851.90/x
  3. Step 3: Cross multiply
    136,015.10x = 204,022.65 × 120,851.90
  4. Step 4: Simplify right side
    136,015.10x = 24,656,524,895.54
  5. Step 5: Solve for x
    x = 24,656,524,895.54/136,015.10
  6. Step 6: Final answer
    x = 181,277.85

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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.