Home / 205,868.30-284,013.66-125,282.60

Finding the Fourth Proportional to 205,868.30, 284,013.66 and 125,282.60

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Solution

The fourth proportional to 205,868.30, 284,013.66 and 125,282.60 is: 172,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,868.30 : 284,013.66 = 125,282.60 : x
  2. Step 2: Convert to fraction form
    205,868.30/284,013.66 = 125,282.60/x
  3. Step 3: Cross multiply
    205,868.30x = 284,013.66 × 125,282.60
  4. Step 4: Simplify right side
    205,868.30x = 35,581,969,760.32
  5. Step 5: Solve for x
    x = 35,581,969,760.32/205,868.30
  6. Step 6: Final answer
    x = 172,838.51

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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.