Home / 170,053.20-254,861.10-103,422.60

Finding the Fourth Proportional to 170,053.20, 254,861.10 and 103,422.60

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Solution

The fourth proportional to 170,053.20, 254,861.10 and 103,422.60 is: 155,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,053.20 : 254,861.10 = 103,422.60 : x
  2. Step 2: Convert to fraction form
    170,053.20/254,861.10 = 103,422.60/x
  3. Step 3: Cross multiply
    170,053.20x = 254,861.10 × 103,422.60
  4. Step 4: Simplify right side
    170,053.20x = 26,358,397,600.86
  5. Step 5: Solve for x
    x = 26,358,397,600.86/170,053.20
  6. Step 6: Final answer
    x = 155,000.89

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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.