Home / 187,251.87-258,393.56-106,663.65

Finding the Fourth Proportional to 187,251.87, 258,393.56 and 106,663.65

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Solution

The fourth proportional to 187,251.87, 258,393.56 and 106,663.65 is: 147,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,251.87 : 258,393.56 = 106,663.65 : x
  2. Step 2: Convert to fraction form
    187,251.87/258,393.56 = 106,663.65/x
  3. Step 3: Cross multiply
    187,251.87x = 258,393.56 × 106,663.65
  4. Step 4: Simplify right side
    187,251.87x = 27,561,200,246.09
  5. Step 5: Solve for x
    x = 27,561,200,246.09/187,251.87
  6. Step 6: Final answer
    x = 147,187.85

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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.