Home / 187,943.85-281,885.79-54,792.98

Finding the Fourth Proportional to 187,943.85, 281,885.79 and 54,792.98

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Solution

The fourth proportional to 187,943.85, 281,885.79 and 54,792.98 is: 82,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,943.85 : 281,885.79 = 54,792.98 : x
  2. Step 2: Convert to fraction form
    187,943.85/281,885.79 = 54,792.98/x
  3. Step 3: Cross multiply
    187,943.85x = 281,885.79 × 54,792.98
  4. Step 4: Simplify right side
    187,943.85x = 15,445,362,453.75
  5. Step 5: Solve for x
    x = 15,445,362,453.75/187,943.85
  6. Step 6: Final answer
    x = 82,180.73

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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.