Home / 124,940.10-187,408.44-30,169.44

Finding the Fourth Proportional to 124,940.10, 187,408.44 and 30,169.44

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Solution

The fourth proportional to 124,940.10, 187,408.44 and 30,169.44 is: 45,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.10 : 187,408.44 = 30,169.44 : x
  2. Step 2: Convert to fraction form
    124,940.10/187,408.44 = 30,169.44/x
  3. Step 3: Cross multiply
    124,940.10x = 187,408.44 × 30,169.44
  4. Step 4: Simplify right side
    124,940.10x = 5,654,007,686.07
  5. Step 5: Solve for x
    x = 5,654,007,686.07/124,940.10
  6. Step 6: Final answer
    x = 45,253.75

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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.