Home / 187,947.92-259,373.06-106,269.62

Finding the Fourth Proportional to 187,947.92, 259,373.06 and 106,269.62

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Solution

The fourth proportional to 187,947.92, 259,373.06 and 106,269.62 is: 146,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,947.92 : 259,373.06 = 106,269.62 : x
  2. Step 2: Convert to fraction form
    187,947.92/259,373.06 = 106,269.62/x
  3. Step 3: Cross multiply
    187,947.92x = 259,373.06 × 106,269.62
  4. Step 4: Simplify right side
    187,947.92x = 27,563,476,524.44
  5. Step 5: Solve for x
    x = 27,563,476,524.44/187,947.92
  6. Step 6: Final answer
    x = 146,654.86

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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.