Home / 112,867.44-155,716.92-65,132.88

Finding the Fourth Proportional to 112,867.44, 155,716.92 and 65,132.88

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Solution

The fourth proportional to 112,867.44, 155,716.92 and 65,132.88 is: 89,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.44 : 155,716.92 = 65,132.88 : x
  2. Step 2: Convert to fraction form
    112,867.44/155,716.92 = 65,132.88/x
  3. Step 3: Cross multiply
    112,867.44x = 155,716.92 × 65,132.88
  4. Step 4: Simplify right side
    112,867.44x = 10,142,291,464.33
  5. Step 5: Solve for x
    x = 10,142,291,464.33/112,867.44
  6. Step 6: Final answer
    x = 89,860.21

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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.