Home / 74,766.60-112,211.10-74,183.40

Finding the Fourth Proportional to 74,766.60, 112,211.10 and 74,183.40

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Solution

The fourth proportional to 74,766.60, 112,211.10 and 74,183.40 is: 111,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.60 : 112,211.10 = 74,183.40 : x
  2. Step 2: Convert to fraction form
    74,766.60/112,211.10 = 74,183.40/x
  3. Step 3: Cross multiply
    74,766.60x = 112,211.10 × 74,183.40
  4. Step 4: Simplify right side
    74,766.60x = 8,324,200,915.74
  5. Step 5: Solve for x
    x = 8,324,200,915.74/74,766.60
  6. Step 6: Final answer
    x = 111,335.82

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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.