Home / 206,037.75-284,338.37-115,393.48

Finding the Fourth Proportional to 206,037.75, 284,338.37 and 115,393.48

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Solution

The fourth proportional to 206,037.75, 284,338.37 and 115,393.48 is: 159,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,037.75 : 284,338.37 = 115,393.48 : x
  2. Step 2: Convert to fraction form
    206,037.75/284,338.37 = 115,393.48/x
  3. Step 3: Cross multiply
    206,037.75x = 284,338.37 × 115,393.48
  4. Step 4: Simplify right side
    206,037.75x = 32,810,794,011.83
  5. Step 5: Solve for x
    x = 32,810,794,011.83/206,037.75
  6. Step 6: Final answer
    x = 159,246.52

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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.