Home / 187,571.24-258,872.94-106,980.30

Finding the Fourth Proportional to 187,571.24, 258,872.94 and 106,980.30

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Solution

The fourth proportional to 187,571.24, 258,872.94 and 106,980.30 is: 147,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,571.24 : 258,872.94 = 106,980.30 : x
  2. Step 2: Convert to fraction form
    187,571.24/258,872.94 = 106,980.30/x
  3. Step 3: Cross multiply
    187,571.24x = 258,872.94 × 106,980.30
  4. Step 4: Simplify right side
    187,571.24x = 27,694,304,783.08
  5. Step 5: Solve for x
    x = 27,694,304,783.08/187,571.24
  6. Step 6: Final answer
    x = 147,646.86

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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.