Home / 205,860.92-284,158.14-121,003.16

Finding the Fourth Proportional to 205,860.92, 284,158.14 and 121,003.16

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Solution

The fourth proportional to 205,860.92, 284,158.14 and 121,003.16 is: 167,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,860.92 : 284,158.14 = 121,003.16 : x
  2. Step 2: Convert to fraction form
    205,860.92/284,158.14 = 121,003.16/x
  3. Step 3: Cross multiply
    205,860.92x = 284,158.14 × 121,003.16
  4. Step 4: Simplify right side
    205,860.92x = 34,384,032,879.72
  5. Step 5: Solve for x
    x = 34,384,032,879.72/205,860.92
  6. Step 6: Final answer
    x = 167,025.55

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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.