Home / 170,081.10-255,179.30-75,298.21

Finding the Fourth Proportional to 170,081.10, 255,179.30 and 75,298.21

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Solution

The fourth proportional to 170,081.10, 255,179.30 and 75,298.21 is: 112,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,081.10 : 255,179.30 = 75,298.21 : x
  2. Step 2: Convert to fraction form
    170,081.10/255,179.30 = 75,298.21/x
  3. Step 3: Cross multiply
    170,081.10x = 255,179.30 × 75,298.21
  4. Step 4: Simplify right side
    170,081.10x = 19,214,543,504.61
  5. Step 5: Solve for x
    x = 19,214,543,504.61/170,081.10
  6. Step 6: Final answer
    x = 112,972.83

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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.