Home / 187,725.92-281,554.85-75,401.60

Finding the Fourth Proportional to 187,725.92, 281,554.85 and 75,401.60

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Solution

The fourth proportional to 187,725.92, 281,554.85 and 75,401.60 is: 113,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,725.92 : 281,554.85 = 75,401.60 : x
  2. Step 2: Convert to fraction form
    187,725.92/281,554.85 = 75,401.60/x
  3. Step 3: Cross multiply
    187,725.92x = 281,554.85 × 75,401.60
  4. Step 4: Simplify right side
    187,725.92x = 21,229,684,958.49
  5. Step 5: Solve for x
    x = 21,229,684,958.49/187,725.92
  6. Step 6: Final answer
    x = 113,088.73

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1.5x scale

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.