Home / 243,932.75-336,578.86-136,481.93

Finding the Fourth Proportional to 243,932.75, 336,578.86 and 136,481.93

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Solution

The fourth proportional to 243,932.75, 336,578.86 and 136,481.93 is: 188,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,932.75 : 336,578.86 = 136,481.93 : x
  2. Step 2: Convert to fraction form
    243,932.75/336,578.86 = 136,481.93/x
  3. Step 3: Cross multiply
    243,932.75x = 336,578.86 × 136,481.93
  4. Step 4: Simplify right side
    243,932.75x = 45,936,932,410.00
  5. Step 5: Solve for x
    x = 45,936,932,410.00/243,932.75
  6. Step 6: Final answer
    x = 188,318.02

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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.