Home / 164,720.09-227,313.68-89,268.59

Finding the Fourth Proportional to 164,720.09, 227,313.68 and 89,268.59

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Solution

The fourth proportional to 164,720.09, 227,313.68 and 89,268.59 is: 123,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,720.09 : 227,313.68 = 89,268.59 : x
  2. Step 2: Convert to fraction form
    164,720.09/227,313.68 = 89,268.59/x
  3. Step 3: Cross multiply
    164,720.09x = 227,313.68 × 89,268.59
  4. Step 4: Simplify right side
    164,720.09x = 20,291,970,118.40
  5. Step 5: Solve for x
    x = 20,291,970,118.40/164,720.09
  6. Step 6: Final answer
    x = 123,190.62

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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.