Home / 109,719.37-164,620.07-43,205.87

Finding the Fourth Proportional to 109,719.37, 164,620.07 and 43,205.87

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Solution

The fourth proportional to 109,719.37, 164,620.07 and 43,205.87 is: 64,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.37 : 164,620.07 = 43,205.87 : x
  2. Step 2: Convert to fraction form
    109,719.37/164,620.07 = 43,205.87/x
  3. Step 3: Cross multiply
    109,719.37x = 164,620.07 × 43,205.87
  4. Step 4: Simplify right side
    109,719.37x = 7,112,552,854.97
  5. Step 5: Solve for x
    x = 7,112,552,854.97/109,719.37
  6. Step 6: Final answer
    x = 64,824.95

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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.