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Finding the Fourth Proportional to 170,454.89, 255,680.65 and 65,273.86

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Solution

The fourth proportional to 170,454.89, 255,680.65 and 65,273.86 is: 97,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,454.89 : 255,680.65 = 65,273.86 : x
  2. Step 2: Convert to fraction form
    170,454.89/255,680.65 = 65,273.86/x
  3. Step 3: Cross multiply
    170,454.89x = 255,680.65 × 65,273.86
  4. Step 4: Simplify right side
    170,454.89x = 16,689,263,713.55
  5. Step 5: Solve for x
    x = 16,689,263,713.55/170,454.89
  6. Step 6: Final answer
    x = 97,910.15

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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.