Home / 202,919.76-304,318.08-69,723.36

Finding the Fourth Proportional to 202,919.76, 304,318.08 and 69,723.36

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Solution

The fourth proportional to 202,919.76, 304,318.08 and 69,723.36 is: 104,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,919.76 : 304,318.08 = 69,723.36 : x
  2. Step 2: Convert to fraction form
    202,919.76/304,318.08 = 69,723.36/x
  3. Step 3: Cross multiply
    202,919.76x = 304,318.08 × 69,723.36
  4. Step 4: Simplify right side
    202,919.76x = 21,218,079,046.35
  5. Step 5: Solve for x
    x = 21,218,079,046.35/202,919.76
  6. Step 6: Final answer
    x = 104,563.89

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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.