Home / 120,286.22-165,995.43-65,095.55

Finding the Fourth Proportional to 120,286.22, 165,995.43 and 65,095.55

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Solution

The fourth proportional to 120,286.22, 165,995.43 and 65,095.55 is: 89,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,286.22 : 165,995.43 = 65,095.55 : x
  2. Step 2: Convert to fraction form
    120,286.22/165,995.43 = 65,095.55/x
  3. Step 3: Cross multiply
    120,286.22x = 165,995.43 × 65,095.55
  4. Step 4: Simplify right side
    120,286.22x = 10,805,563,361.73
  5. Step 5: Solve for x
    x = 10,805,563,361.73/120,286.22
  6. Step 6: Final answer
    x = 89,832.10

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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.