Home / 187,977.78-281,467.85-147,043.35

Finding the Fourth Proportional to 187,977.78, 281,467.85 and 147,043.35

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Solution

The fourth proportional to 187,977.78, 281,467.85 and 147,043.35 is: 220,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,977.78 : 281,467.85 = 147,043.35 : x
  2. Step 2: Convert to fraction form
    187,977.78/281,467.85 = 147,043.35/x
  3. Step 3: Cross multiply
    187,977.78x = 281,467.85 × 147,043.35
  4. Step 4: Simplify right side
    187,977.78x = 41,387,974,846.08
  5. Step 5: Solve for x
    x = 41,387,974,846.08/187,977.78
  6. Step 6: Final answer
    x = 220,174.83

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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.