Home / 120,164.22-165,827.67-66,452.85

Finding the Fourth Proportional to 120,164.22, 165,827.67 and 66,452.85

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Solution

The fourth proportional to 120,164.22, 165,827.67 and 66,452.85 is: 91,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,164.22 : 165,827.67 = 66,452.85 : x
  2. Step 2: Convert to fraction form
    120,164.22/165,827.67 = 66,452.85/x
  3. Step 3: Cross multiply
    120,164.22x = 165,827.67 × 66,452.85
  4. Step 4: Simplify right side
    120,164.22x = 11,019,721,280.36
  5. Step 5: Solve for x
    x = 11,019,721,280.36/120,164.22
  6. Step 6: Final answer
    x = 91,705.51

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1.5x scale

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.