Home / 202,456.08-279,391.50-111,814.36

Finding the Fourth Proportional to 202,456.08, 279,391.50 and 111,814.36

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Solution

The fourth proportional to 202,456.08, 279,391.50 and 111,814.36 is: 154,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,456.08 : 279,391.50 = 111,814.36 : x
  2. Step 2: Convert to fraction form
    202,456.08/279,391.50 = 111,814.36/x
  3. Step 3: Cross multiply
    202,456.08x = 279,391.50 × 111,814.36
  4. Step 4: Simplify right side
    202,456.08x = 31,239,981,063.46
  5. Step 5: Solve for x
    x = 31,239,981,063.46/202,456.08
  6. Step 6: Final answer
    x = 154,304.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.