Home / 187,993.71-281,331.63-134,744.40

Finding the Fourth Proportional to 187,993.71, 281,331.63 and 134,744.40

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Solution

The fourth proportional to 187,993.71, 281,331.63 and 134,744.40 is: 201,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,993.71 : 281,331.63 = 134,744.40 : x
  2. Step 2: Convert to fraction form
    187,993.71/281,331.63 = 134,744.40/x
  3. Step 3: Cross multiply
    187,993.71x = 281,331.63 × 134,744.40
  4. Step 4: Simplify right side
    187,993.71x = 37,907,861,685.37
  5. Step 5: Solve for x
    x = 37,907,861,685.37/187,993.71
  6. Step 6: Final answer
    x = 201,644.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.