Home / 230,976.50-318,747.57-124,992.50

Finding the Fourth Proportional to 230,976.50, 318,747.57 and 124,992.50

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Solution

The fourth proportional to 230,976.50, 318,747.57 and 124,992.50 is: 172,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,976.50 : 318,747.57 = 124,992.50 : x
  2. Step 2: Convert to fraction form
    230,976.50/318,747.57 = 124,992.50/x
  3. Step 3: Cross multiply
    230,976.50x = 318,747.57 × 124,992.50
  4. Step 4: Simplify right side
    230,976.50x = 39,841,055,643.23
  5. Step 5: Solve for x
    x = 39,841,055,643.23/230,976.50
  6. Step 6: Final answer
    x = 172,489.65

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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.