Home / 83,287.04-125,201.50-66,827.43

Finding the Fourth Proportional to 83,287.04, 125,201.50 and 66,827.43

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Solution

The fourth proportional to 83,287.04, 125,201.50 and 66,827.43 is: 100,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,287.04 : 125,201.50 = 66,827.43 : x
  2. Step 2: Convert to fraction form
    83,287.04/125,201.50 = 66,827.43/x
  3. Step 3: Cross multiply
    83,287.04x = 125,201.50 × 66,827.43
  4. Step 4: Simplify right side
    83,287.04x = 8,366,894,310.08
  5. Step 5: Solve for x
    x = 8,366,894,310.08/83,287.04
  6. Step 6: Final answer
    x = 100,458.54

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1.5x scale

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.