Home / 164,971.57-227,661.37-89,520.07

Finding the Fourth Proportional to 164,971.57, 227,661.37 and 89,520.07

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Solution

The fourth proportional to 164,971.57, 227,661.37 and 89,520.07 is: 123,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,971.57 : 227,661.37 = 89,520.07 : x
  2. Step 2: Convert to fraction form
    164,971.57/227,661.37 = 89,520.07/x
  3. Step 3: Cross multiply
    164,971.57x = 227,661.37 × 89,520.07
  4. Step 4: Simplify right side
    164,971.57x = 20,380,261,778.70
  5. Step 5: Solve for x
    x = 20,380,261,778.70/164,971.57
  6. Step 6: Final answer
    x = 123,538.02

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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.