Home / 206,382.06-309,603.87-73,251.18

Finding the Fourth Proportional to 206,382.06, 309,603.87 and 73,251.18

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Solution

The fourth proportional to 206,382.06, 309,603.87 and 73,251.18 is: 109,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,382.06 : 309,603.87 = 73,251.18 : x
  2. Step 2: Convert to fraction form
    206,382.06/309,603.87 = 73,251.18/x
  3. Step 3: Cross multiply
    206,382.06x = 309,603.87 × 73,251.18
  4. Step 4: Simplify right side
    206,382.06x = 22,678,848,810.07
  5. Step 5: Solve for x
    x = 22,678,848,810.07/206,382.06
  6. Step 6: Final answer
    x = 109,887.69

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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.