Home / 164,715.21-227,306.97-89,263.71

Finding the Fourth Proportional to 164,715.21, 227,306.97 and 89,263.71

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Solution

The fourth proportional to 164,715.21, 227,306.97 and 89,263.71 is: 123,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,715.21 : 227,306.97 = 89,263.71 : x
  2. Step 2: Convert to fraction form
    164,715.21/227,306.97 = 89,263.71/x
  3. Step 3: Cross multiply
    164,715.21x = 227,306.97 × 89,263.71
  4. Step 4: Simplify right side
    164,715.21x = 20,290,263,451.06
  5. Step 5: Solve for x
    x = 20,290,263,451.06/164,715.21
  6. Step 6: Final answer
    x = 123,183.91

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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.