Home / 205,796.78-284,043.67-125,250.24

Finding the Fourth Proportional to 205,796.78, 284,043.67 and 125,250.24

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Solution

The fourth proportional to 205,796.78, 284,043.67 and 125,250.24 is: 172,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,796.78 : 284,043.67 = 125,250.24 : x
  2. Step 2: Convert to fraction form
    205,796.78/284,043.67 = 125,250.24/x
  3. Step 3: Cross multiply
    205,796.78x = 284,043.67 × 125,250.24
  4. Step 4: Simplify right side
    205,796.78x = 35,576,537,524.86
  5. Step 5: Solve for x
    x = 35,576,537,524.86/205,796.78
  6. Step 6: Final answer
    x = 172,872.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.