Home / 136,982.04-189,087.96-122,616.54

Finding the Fourth Proportional to 136,982.04, 189,087.96 and 122,616.54

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Solution

The fourth proportional to 136,982.04, 189,087.96 and 122,616.54 is: 169,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,982.04 : 189,087.96 = 122,616.54 : x
  2. Step 2: Convert to fraction form
    136,982.04/189,087.96 = 122,616.54/x
  3. Step 3: Cross multiply
    136,982.04x = 189,087.96 × 122,616.54
  4. Step 4: Simplify right side
    136,982.04x = 23,185,311,410.86
  5. Step 5: Solve for x
    x = 23,185,311,410.86/136,982.04
  6. Step 6: Final answer
    x = 169,258.04

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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.