Home / 202,301.75-279,177.23-111,658.50

Finding the Fourth Proportional to 202,301.75, 279,177.23 and 111,658.50

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Solution

The fourth proportional to 202,301.75, 279,177.23 and 111,658.50 is: 154,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,301.75 : 279,177.23 = 111,658.50 : x
  2. Step 2: Convert to fraction form
    202,301.75/279,177.23 = 111,658.50/x
  3. Step 3: Cross multiply
    202,301.75x = 279,177.23 × 111,658.50
  4. Step 4: Simplify right side
    202,301.75x = 31,172,511,015.10
  5. Step 5: Solve for x
    x = 31,172,511,015.10/202,301.75
  6. Step 6: Final answer
    x = 154,089.18

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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.