Home / 164,716.37-227,308.79-89,264.87

Finding the Fourth Proportional to 164,716.37, 227,308.79 and 89,264.87

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Solution

The fourth proportional to 164,716.37, 227,308.79 and 89,264.87 is: 123,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,716.37 : 227,308.79 = 89,264.87 : x
  2. Step 2: Convert to fraction form
    164,716.37/227,308.79 = 89,264.87/x
  3. Step 3: Cross multiply
    164,716.37x = 227,308.79 × 89,264.87
  4. Step 4: Simplify right side
    164,716.37x = 20,290,689,589.21
  5. Step 5: Solve for x
    x = 20,290,689,589.21/164,716.37
  6. Step 6: Final answer
    x = 123,185.63

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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.