Home / 74,778.92-112,149.18-22,176.04

Finding the Fourth Proportional to 74,778.92, 112,149.18 and 22,176.04

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Solution

The fourth proportional to 74,778.92, 112,149.18 and 22,176.04 is: 33,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,778.92 : 112,149.18 = 22,176.04 : x
  2. Step 2: Convert to fraction form
    74,778.92/112,149.18 = 22,176.04/x
  3. Step 3: Cross multiply
    74,778.92x = 112,149.18 × 22,176.04
  4. Step 4: Simplify right side
    74,778.92x = 2,487,024,701.65
  5. Step 5: Solve for x
    x = 2,487,024,701.65/74,778.92
  6. Step 6: Final answer
    x = 33,258.37

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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.