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Finding the Fourth Proportional to 185,084.96, 277,741.67 and 72,745.47

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Solution

The fourth proportional to 185,084.96, 277,741.67 and 72,745.47 is: 109,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,084.96 : 277,741.67 = 72,745.47 : x
  2. Step 2: Convert to fraction form
    185,084.96/277,741.67 = 72,745.47/x
  3. Step 3: Cross multiply
    185,084.96x = 277,741.67 × 72,745.47
  4. Step 4: Simplify right side
    185,084.96x = 20,204,447,959.01
  5. Step 5: Solve for x
    x = 20,204,447,959.01/185,084.96
  6. Step 6: Final answer
    x = 109,163.10

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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.