Home / 83,734.20-125,601.30-77,829.30

Finding the Fourth Proportional to 83,734.20, 125,601.30 and 77,829.30

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Solution

The fourth proportional to 83,734.20, 125,601.30 and 77,829.30 is: 116,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.20 : 125,601.30 = 77,829.30 : x
  2. Step 2: Convert to fraction form
    83,734.20/125,601.30 = 77,829.30/x
  3. Step 3: Cross multiply
    83,734.20x = 125,601.30 × 77,829.30
  4. Step 4: Simplify right side
    83,734.20x = 9,775,461,258.09
  5. Step 5: Solve for x
    x = 9,775,461,258.09/83,734.20
  6. Step 6: Final answer
    x = 116,743.95

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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.