Home / 205,076.10-307,613.24-55,331.61

Finding the Fourth Proportional to 205,076.10, 307,613.24 and 55,331.61

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Solution

The fourth proportional to 205,076.10, 307,613.24 and 55,331.61 is: 82,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076.10 : 307,613.24 = 55,331.61 : x
  2. Step 2: Convert to fraction form
    205,076.10/307,613.24 = 55,331.61/x
  3. Step 3: Cross multiply
    205,076.10x = 307,613.24 × 55,331.61
  4. Step 4: Simplify right side
    205,076.10x = 17,020,734,915.04
  5. Step 5: Solve for x
    x = 17,020,734,915.04/205,076.10
  6. Step 6: Final answer
    x = 82,997.16

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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.