Home / 123,840.27-185,701.85-47,974.34

Finding the Fourth Proportional to 123,840.27, 185,701.85 and 47,974.34

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Solution

The fourth proportional to 123,840.27, 185,701.85 and 47,974.34 is: 71,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,840.27 : 185,701.85 = 47,974.34 : x
  2. Step 2: Convert to fraction form
    123,840.27/185,701.85 = 47,974.34/x
  3. Step 3: Cross multiply
    123,840.27x = 185,701.85 × 47,974.34
  4. Step 4: Simplify right side
    123,840.27x = 8,908,923,450.66
  5. Step 5: Solve for x
    x = 8,908,923,450.66/123,840.27
  6. Step 6: Final answer
    x = 71,938.83

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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.