Home / 205,975.83-284,197.64-125,402.43

Finding the Fourth Proportional to 205,975.83, 284,197.64 and 125,402.43

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Solution

The fourth proportional to 205,975.83, 284,197.64 and 125,402.43 is: 173,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,975.83 : 284,197.64 = 125,402.43 : x
  2. Step 2: Convert to fraction form
    205,975.83/284,197.64 = 125,402.43/x
  3. Step 3: Cross multiply
    205,975.83x = 284,197.64 × 125,402.43
  4. Step 4: Simplify right side
    205,975.83x = 35,639,074,029.25
  5. Step 5: Solve for x
    x = 35,639,074,029.25/205,975.83
  6. Step 6: Final answer
    x = 173,025.51

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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.