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Finding the Fourth Proportional to 191,745.44, 264,610.04 and 106,867.98

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Solution

The fourth proportional to 191,745.44, 264,610.04 and 106,867.98 is: 147,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,745.44 : 264,610.04 = 106,867.98 : x
  2. Step 2: Convert to fraction form
    191,745.44/264,610.04 = 106,867.98/x
  3. Step 3: Cross multiply
    191,745.44x = 264,610.04 × 106,867.98
  4. Step 4: Simplify right side
    191,745.44x = 28,278,340,462.52
  5. Step 5: Solve for x
    x = 28,278,340,462.52/191,745.44
  6. Step 6: Final answer
    x = 147,478.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.