Home / 119,375.63-164,738.45-65,664.73

Finding the Fourth Proportional to 119,375.63, 164,738.45 and 65,664.73

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Solution

The fourth proportional to 119,375.63, 164,738.45 and 65,664.73 is: 90,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,375.63 : 164,738.45 = 65,664.73 : x
  2. Step 2: Convert to fraction form
    119,375.63/164,738.45 = 65,664.73/x
  3. Step 3: Cross multiply
    119,375.63x = 164,738.45 × 65,664.73
  4. Step 4: Simplify right side
    119,375.63x = 10,817,505,511.54
  5. Step 5: Solve for x
    x = 10,817,505,511.54/119,375.63
  6. Step 6: Final answer
    x = 90,617.37

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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.