Home / 170,414.20-255,338.76-103,652.36

Finding the Fourth Proportional to 170,414.20, 255,338.76 and 103,652.36

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Solution

The fourth proportional to 170,414.20, 255,338.76 and 103,652.36 is: 155,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,414.20 : 255,338.76 = 103,652.36 : x
  2. Step 2: Convert to fraction form
    170,414.20/255,338.76 = 103,652.36/x
  3. Step 3: Cross multiply
    170,414.20x = 255,338.76 × 103,652.36
  4. Step 4: Simplify right side
    170,414.20x = 26,466,465,073.47
  5. Step 5: Solve for x
    x = 26,466,465,073.47/170,414.20
  6. Step 6: Final answer
    x = 155,306.69

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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.