Home / 239,081.10-329,919.03-137,110.86

Finding the Fourth Proportional to 239,081.10, 329,919.03 and 137,110.86

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Solution

The fourth proportional to 239,081.10, 329,919.03 and 137,110.86 is: 189,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,081.10 : 329,919.03 = 137,110.86 : x
  2. Step 2: Convert to fraction form
    239,081.10/329,919.03 = 137,110.86/x
  3. Step 3: Cross multiply
    239,081.10x = 329,919.03 × 137,110.86
  4. Step 4: Simplify right side
    239,081.10x = 45,235,481,933.67
  5. Step 5: Solve for x
    x = 45,235,481,933.67/239,081.10
  6. Step 6: Final answer
    x = 189,205.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.