Home / 269,745.27-372,192.90-155,001.74

Finding the Fourth Proportional to 269,745.27, 372,192.90 and 155,001.74

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Solution

The fourth proportional to 269,745.27, 372,192.90 and 155,001.74 is: 213,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,745.27 : 372,192.90 = 155,001.74 : x
  2. Step 2: Convert to fraction form
    269,745.27/372,192.90 = 155,001.74/x
  3. Step 3: Cross multiply
    269,745.27x = 372,192.90 × 155,001.74
  4. Step 4: Simplify right side
    269,745.27x = 57,690,548,685.69
  5. Step 5: Solve for x
    x = 57,690,548,685.69/269,745.27
  6. Step 6: Final answer
    x = 213,870.47

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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.