Home / 136,906.30-205,359.27-51,533.11

Finding the Fourth Proportional to 136,906.30, 205,359.27 and 51,533.11

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Solution

The fourth proportional to 136,906.30, 205,359.27 and 51,533.11 is: 77,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,906.30 : 205,359.27 = 51,533.11 : x
  2. Step 2: Convert to fraction form
    136,906.30/205,359.27 = 51,533.11/x
  3. Step 3: Cross multiply
    136,906.30x = 205,359.27 × 51,533.11
  4. Step 4: Simplify right side
    136,906.30x = 10,582,801,850.43
  5. Step 5: Solve for x
    x = 10,582,801,850.43/136,906.30
  6. Step 6: Final answer
    x = 77,299.60

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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.