Home / 225,975.93-311,992.86-140,026.12

Finding the Fourth Proportional to 225,975.93, 311,992.86 and 140,026.12

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Solution

The fourth proportional to 225,975.93, 311,992.86 and 140,026.12 is: 193,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.93 : 311,992.86 = 140,026.12 : x
  2. Step 2: Convert to fraction form
    225,975.93/311,992.86 = 140,026.12/x
  3. Step 3: Cross multiply
    225,975.93x = 311,992.86 × 140,026.12
  4. Step 4: Simplify right side
    225,975.93x = 43,687,149,653.50
  5. Step 5: Solve for x
    x = 43,687,149,653.50/225,975.93
  6. Step 6: Final answer
    x = 193,326.56

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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.