Home / 187,299.78-258,474.23-119,302.20

Finding the Fourth Proportional to 187,299.78, 258,474.23 and 119,302.20

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Solution

The fourth proportional to 187,299.78, 258,474.23 and 119,302.20 is: 164,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,299.78 : 258,474.23 = 119,302.20 : x
  2. Step 2: Convert to fraction form
    187,299.78/258,474.23 = 119,302.20/x
  3. Step 3: Cross multiply
    187,299.78x = 258,474.23 × 119,302.20
  4. Step 4: Simplify right side
    187,299.78x = 30,836,543,685.80
  5. Step 5: Solve for x
    x = 30,836,543,685.80/187,299.78
  6. Step 6: Final answer
    x = 164,637.37

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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.