Home / 213,042.88-319,563.91-124,234.11

Finding the Fourth Proportional to 213,042.88, 319,563.91 and 124,234.11

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Solution

The fourth proportional to 213,042.88, 319,563.91 and 124,234.11 is: 186,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,042.88 : 319,563.91 = 124,234.11 : x
  2. Step 2: Convert to fraction form
    213,042.88/319,563.91 = 124,234.11/x
  3. Step 3: Cross multiply
    213,042.88x = 319,563.91 × 124,234.11
  4. Step 4: Simplify right side
    213,042.88x = 39,700,737,636.38
  5. Step 5: Solve for x
    x = 39,700,737,636.38/213,042.88
  6. Step 6: Final answer
    x = 186,350.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.