Home / 136,273.91-188,056.11-75,844.54

Finding the Fourth Proportional to 136,273.91, 188,056.11 and 75,844.54

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Solution

The fourth proportional to 136,273.91, 188,056.11 and 75,844.54 is: 104,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,273.91 : 188,056.11 = 75,844.54 : x
  2. Step 2: Convert to fraction form
    136,273.91/188,056.11 = 75,844.54/x
  3. Step 3: Cross multiply
    136,273.91x = 188,056.11 × 75,844.54
  4. Step 4: Simplify right side
    136,273.91x = 14,263,028,216.86
  5. Step 5: Solve for x
    x = 14,263,028,216.86/136,273.91
  6. Step 6: Final answer
    x = 104,664.41

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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.