Home / 164,857.12-227,502.80-89,405.60

Finding the Fourth Proportional to 164,857.12, 227,502.80 and 89,405.60

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Solution

The fourth proportional to 164,857.12, 227,502.80 and 89,405.60 is: 123,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,857.12 : 227,502.80 = 89,405.60 : x
  2. Step 2: Convert to fraction form
    164,857.12/227,502.80 = 89,405.60/x
  3. Step 3: Cross multiply
    164,857.12x = 227,502.80 × 89,405.60
  4. Step 4: Simplify right side
    164,857.12x = 20,340,024,335.68
  5. Step 5: Solve for x
    x = 20,340,024,335.68/164,857.12
  6. Step 6: Final answer
    x = 123,379.71

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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.