Home / 187,895.53-281,137.06-131,845.02

Finding the Fourth Proportional to 187,895.53, 281,137.06 and 131,845.02

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Solution

The fourth proportional to 187,895.53, 281,137.06 and 131,845.02 is: 197,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,895.53 : 281,137.06 = 131,845.02 : x
  2. Step 2: Convert to fraction form
    187,895.53/281,137.06 = 131,845.02/x
  3. Step 3: Cross multiply
    187,895.53x = 281,137.06 × 131,845.02
  4. Step 4: Simplify right side
    187,895.53x = 37,066,520,408.98
  5. Step 5: Solve for x
    x = 37,066,520,408.98/187,895.53
  6. Step 6: Final answer
    x = 197,271.96

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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.