Home / 83,336.54-125,451.13-74,763.50

Finding the Fourth Proportional to 83,336.54, 125,451.13 and 74,763.50

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Solution

The fourth proportional to 83,336.54, 125,451.13 and 74,763.50 is: 112,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,336.54 : 125,451.13 = 74,763.50 : x
  2. Step 2: Convert to fraction form
    83,336.54/125,451.13 = 74,763.50/x
  3. Step 3: Cross multiply
    83,336.54x = 125,451.13 × 74,763.50
  4. Step 4: Simplify right side
    83,336.54x = 9,379,165,183.94
  5. Step 5: Solve for x
    x = 9,379,165,183.94/83,336.54
  6. Step 6: Final answer
    x = 112,545.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.