Home / 119,867.34-179,745.39-69,961.86

Finding the Fourth Proportional to 119,867.34, 179,745.39 and 69,961.86

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Solution

The fourth proportional to 119,867.34, 179,745.39 and 69,961.86 is: 104,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867.34 : 179,745.39 = 69,961.86 : x
  2. Step 2: Convert to fraction form
    119,867.34/179,745.39 = 69,961.86/x
  3. Step 3: Cross multiply
    119,867.34x = 179,745.39 × 69,961.86
  4. Step 4: Simplify right side
    119,867.34x = 12,575,321,810.83
  5. Step 5: Solve for x
    x = 12,575,321,810.83/119,867.34
  6. Step 6: Final answer
    x = 104,910.33

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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.