Home / 205,983.30-308,974.95-73,013.70

Finding the Fourth Proportional to 205,983.30, 308,974.95 and 73,013.70

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Solution

The fourth proportional to 205,983.30, 308,974.95 and 73,013.70 is: 109,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,983.30 : 308,974.95 = 73,013.70 : x
  2. Step 2: Convert to fraction form
    205,983.30/308,974.95 = 73,013.70/x
  3. Step 3: Cross multiply
    205,983.30x = 308,974.95 × 73,013.70
  4. Step 4: Simplify right side
    205,983.30x = 22,559,404,306.82
  5. Step 5: Solve for x
    x = 22,559,404,306.82/205,983.30
  6. Step 6: Final answer
    x = 109,520.55

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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.