Home / 121,444.11-167,622.92-82,745.94

Finding the Fourth Proportional to 121,444.11, 167,622.92 and 82,745.94

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Solution

The fourth proportional to 121,444.11, 167,622.92 and 82,745.94 is: 114,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.11 : 167,622.92 = 82,745.94 : x
  2. Step 2: Convert to fraction form
    121,444.11/167,622.92 = 82,745.94/x
  3. Step 3: Cross multiply
    121,444.11x = 167,622.92 × 82,745.94
  4. Step 4: Simplify right side
    121,444.11x = 13,870,116,080.94
  5. Step 5: Solve for x
    x = 13,870,116,080.94/121,444.11
  6. Step 6: Final answer
    x = 114,209.87

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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.