Home / 112,223.20-154,867.84-61,922.16

Finding the Fourth Proportional to 112,223.20, 154,867.84 and 61,922.16

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Solution

The fourth proportional to 112,223.20, 154,867.84 and 61,922.16 is: 85,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.20 : 154,867.84 = 61,922.16 : x
  2. Step 2: Convert to fraction form
    112,223.20/154,867.84 = 61,922.16/x
  3. Step 3: Cross multiply
    112,223.20x = 154,867.84 × 61,922.16
  4. Step 4: Simplify right side
    112,223.20x = 9,589,751,167.33
  5. Step 5: Solve for x
    x = 9,589,751,167.33/112,223.20
  6. Step 6: Final answer
    x = 85,452.48

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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.