Home / 243,919.20-365,787.78-83,949.87

Finding the Fourth Proportional to 243,919.20, 365,787.78 and 83,949.87

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Solution

The fourth proportional to 243,919.20, 365,787.78 and 83,949.87 is: 125,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,919.20 : 365,787.78 = 83,949.87 : x
  2. Step 2: Convert to fraction form
    243,919.20/365,787.78 = 83,949.87/x
  3. Step 3: Cross multiply
    243,919.20x = 365,787.78 × 83,949.87
  4. Step 4: Simplify right side
    243,919.20x = 30,707,836,578.59
  5. Step 5: Solve for x
    x = 30,707,836,578.59/243,919.20
  6. Step 6: Final answer
    x = 125,893.48

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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.