Home / 112,867.27-155,725.32-88,919.62

Finding the Fourth Proportional to 112,867.27, 155,725.32 and 88,919.62

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Solution

The fourth proportional to 112,867.27, 155,725.32 and 88,919.62 is: 122,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.27 : 155,725.32 = 88,919.62 : x
  2. Step 2: Convert to fraction form
    112,867.27/155,725.32 = 88,919.62/x
  3. Step 3: Cross multiply
    112,867.27x = 155,725.32 × 88,919.62
  4. Step 4: Simplify right side
    112,867.27x = 13,847,036,278.78
  5. Step 5: Solve for x
    x = 13,847,036,278.78/112,867.27
  6. Step 6: Final answer
    x = 122,684.25

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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.