Home / 187,281.10-258,418.92-106,712.02

Finding the Fourth Proportional to 187,281.10, 258,418.92 and 106,712.02

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Solution

The fourth proportional to 187,281.10, 258,418.92 and 106,712.02 is: 147,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,281.10 : 258,418.92 = 106,712.02 : x
  2. Step 2: Convert to fraction form
    187,281.10/258,418.92 = 106,712.02/x
  3. Step 3: Cross multiply
    187,281.10x = 258,418.92 × 106,712.02
  4. Step 4: Simplify right side
    187,281.10x = 27,576,404,959.42
  5. Step 5: Solve for x
    x = 27,576,404,959.42/187,281.10
  6. Step 6: Final answer
    x = 147,246.06

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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.