Home / 164,733.21-227,329.78-89,280.09

Finding the Fourth Proportional to 164,733.21, 227,329.78 and 89,280.09

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Solution

The fourth proportional to 164,733.21, 227,329.78 and 89,280.09 is: 123,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,733.21 : 227,329.78 = 89,280.09 : x
  2. Step 2: Convert to fraction form
    164,733.21/227,329.78 = 89,280.09/x
  3. Step 3: Cross multiply
    164,733.21x = 227,329.78 × 89,280.09
  4. Step 4: Simplify right side
    164,733.21x = 20,296,023,218.08
  5. Step 5: Solve for x
    x = 20,296,023,218.08/164,733.21
  6. Step 6: Final answer
    x = 123,205.41

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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.