Home / 187,476.16-258,721.56-106,911.40

Finding the Fourth Proportional to 187,476.16, 258,721.56 and 106,911.40

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Solution

The fourth proportional to 187,476.16, 258,721.56 and 106,911.40 is: 147,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,476.16 : 258,721.56 = 106,911.40 : x
  2. Step 2: Convert to fraction form
    187,476.16/258,721.56 = 106,911.40/x
  3. Step 3: Cross multiply
    187,476.16x = 258,721.56 × 106,911.40
  4. Step 4: Simplify right side
    187,476.16x = 27,660,284,189.78
  5. Step 5: Solve for x
    x = 27,660,284,189.78/187,476.16
  6. Step 6: Final answer
    x = 147,540.27

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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.