Home / 206,974.28-310,493.64-66,747.08

Finding the Fourth Proportional to 206,974.28, 310,493.64 and 66,747.08

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Solution

The fourth proportional to 206,974.28, 310,493.64 and 66,747.08 is: 100,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,974.28 : 310,493.64 = 66,747.08 : x
  2. Step 2: Convert to fraction form
    206,974.28/310,493.64 = 66,747.08/x
  3. Step 3: Cross multiply
    206,974.28x = 310,493.64 × 66,747.08
  4. Step 4: Simplify right side
    206,974.28x = 20,724,543,828.57
  5. Step 5: Solve for x
    x = 20,724,543,828.57/206,974.28
  6. Step 6: Final answer
    x = 100,131.01

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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.