Home / 187,971.45-281,942.24-75,572.43

Finding the Fourth Proportional to 187,971.45, 281,942.24 and 75,572.43

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Solution

The fourth proportional to 187,971.45, 281,942.24 and 75,572.43 is: 113,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971.45 : 281,942.24 = 75,572.43 : x
  2. Step 2: Convert to fraction form
    187,971.45/281,942.24 = 75,572.43/x
  3. Step 3: Cross multiply
    187,971.45x = 281,942.24 × 75,572.43
  4. Step 4: Simplify right side
    187,971.45x = 21,307,059,818.58
  5. Step 5: Solve for x
    x = 21,307,059,818.58/187,971.45
  6. Step 6: Final answer
    x = 113,352.64

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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.