Home / 206,983.11-310,476.69-113,437.83

Finding the Fourth Proportional to 206,983.11, 310,476.69 and 113,437.83

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Solution

The fourth proportional to 206,983.11, 310,476.69 and 113,437.83 is: 170,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983.11 : 310,476.69 = 113,437.83 : x
  2. Step 2: Convert to fraction form
    206,983.11/310,476.69 = 113,437.83/x
  3. Step 3: Cross multiply
    206,983.11x = 310,476.69 × 113,437.83
  4. Step 4: Simplify right side
    206,983.11x = 35,219,801,979.18
  5. Step 5: Solve for x
    x = 35,219,801,979.18/206,983.11
  6. Step 6: Final answer
    x = 170,157.85

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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.