Home / 187,213.25-258,324.12-106,642.35

Finding the Fourth Proportional to 187,213.25, 258,324.12 and 106,642.35

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Solution

The fourth proportional to 187,213.25, 258,324.12 and 106,642.35 is: 147,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,213.25 : 258,324.12 = 106,642.35 : x
  2. Step 2: Convert to fraction form
    187,213.25/258,324.12 = 106,642.35/x
  3. Step 3: Cross multiply
    187,213.25x = 258,324.12 × 106,642.35
  4. Step 4: Simplify right side
    187,213.25x = 27,548,291,218.48
  5. Step 5: Solve for x
    x = 27,548,291,218.48/187,213.25
  6. Step 6: Final answer
    x = 147,149.26

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1.5x scale

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.