Home / 213,046.28-319,545.81-76,263.97

Finding the Fourth Proportional to 213,046.28, 319,545.81 and 76,263.97

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Solution

The fourth proportional to 213,046.28, 319,545.81 and 76,263.97 is: 114,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046.28 : 319,545.81 = 76,263.97 : x
  2. Step 2: Convert to fraction form
    213,046.28/319,545.81 = 76,263.97/x
  3. Step 3: Cross multiply
    213,046.28x = 319,545.81 × 76,263.97
  4. Step 4: Simplify right side
    213,046.28x = 24,369,830,183.75
  5. Step 5: Solve for x
    x = 24,369,830,183.75/213,046.28
  6. Step 6: Final answer
    x = 114,387.49

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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.