Home / 89,162.20-133,629.90-36,512.20

Finding the Fourth Proportional to 89,162.20, 133,629.90 and 36,512.20

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Solution

The fourth proportional to 89,162.20, 133,629.90 and 36,512.20 is: 54,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162.20 : 133,629.90 = 36,512.20 : x
  2. Step 2: Convert to fraction form
    89,162.20/133,629.90 = 36,512.20/x
  3. Step 3: Cross multiply
    89,162.20x = 133,629.90 × 36,512.20
  4. Step 4: Simplify right side
    89,162.20x = 4,879,121,634.78
  5. Step 5: Solve for x
    x = 4,879,121,634.78/89,162.20
  6. Step 6: Final answer
    x = 54,721.86

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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.