Home / 187,439.82-258,673.35-106,879.26

Finding the Fourth Proportional to 187,439.82, 258,673.35 and 106,879.26

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Solution

The fourth proportional to 187,439.82, 258,673.35 and 106,879.26 is: 147,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,439.82 : 258,673.35 = 106,879.26 : x
  2. Step 2: Convert to fraction form
    187,439.82/258,673.35 = 106,879.26/x
  3. Step 3: Cross multiply
    187,439.82x = 258,673.35 × 106,879.26
  4. Step 4: Simplify right side
    187,439.82x = 27,646,816,229.72
  5. Step 5: Solve for x
    x = 27,646,816,229.72/187,439.82
  6. Step 6: Final answer
    x = 147,497.03

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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.