Home / 175,632.96-263,237.28-85,540.65

Finding the Fourth Proportional to 175,632.96, 263,237.28 and 85,540.65

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Solution

The fourth proportional to 175,632.96, 263,237.28 and 85,540.65 is: 128,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,632.96 : 263,237.28 = 85,540.65 : x
  2. Step 2: Convert to fraction form
    175,632.96/263,237.28 = 85,540.65/x
  3. Step 3: Cross multiply
    175,632.96x = 263,237.28 × 85,540.65
  4. Step 4: Simplify right side
    175,632.96x = 22,517,488,035.43
  5. Step 5: Solve for x
    x = 22,517,488,035.43/175,632.96
  6. Step 6: Final answer
    x = 128,207.64

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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.