Home / 187,825.86-281,771.60-82,642.10

Finding the Fourth Proportional to 187,825.86, 281,771.60 and 82,642.10

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Solution

The fourth proportional to 187,825.86, 281,771.60 and 82,642.10 is: 123,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,825.86 : 281,771.60 = 82,642.10 : x
  2. Step 2: Convert to fraction form
    187,825.86/281,771.60 = 82,642.10/x
  3. Step 3: Cross multiply
    187,825.86x = 281,771.60 × 82,642.10
  4. Step 4: Simplify right side
    187,825.86x = 23,286,194,922.29
  5. Step 5: Solve for x
    x = 23,286,194,922.29/187,825.86
  6. Step 6: Final answer
    x = 123,977.58

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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.