Home / 81,496.77-122,292.81-34,107.90

Finding the Fourth Proportional to 81,496.77, 122,292.81 and 34,107.90

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Solution

The fourth proportional to 81,496.77, 122,292.81 and 34,107.90 is: 51,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,496.77 : 122,292.81 = 34,107.90 : x
  2. Step 2: Convert to fraction form
    81,496.77/122,292.81 = 34,107.90/x
  3. Step 3: Cross multiply
    81,496.77x = 122,292.81 × 34,107.90
  4. Step 4: Simplify right side
    81,496.77x = 4,171,150,152.20
  5. Step 5: Solve for x
    x = 4,171,150,152.20/81,496.77
  6. Step 6: Final answer
    x = 51,181.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.