Home / 187,270.46-280,933.70-68,932.78

Finding the Fourth Proportional to 187,270.46, 280,933.70 and 68,932.78

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Solution

The fourth proportional to 187,270.46, 280,933.70 and 68,932.78 is: 103,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,270.46 : 280,933.70 = 68,932.78 : x
  2. Step 2: Convert to fraction form
    187,270.46/280,933.70 = 68,932.78/x
  3. Step 3: Cross multiply
    187,270.46x = 280,933.70 × 68,932.78
  4. Step 4: Simplify right side
    187,270.46x = 19,365,540,936.69
  5. Step 5: Solve for x
    x = 19,365,540,936.69/187,270.46
  6. Step 6: Final answer
    x = 103,409.48

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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.