Home / 151,738.46-209,399.09-83,755.46

Finding the Fourth Proportional to 151,738.46, 209,399.09 and 83,755.46

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Solution

The fourth proportional to 151,738.46, 209,399.09 and 83,755.46 is: 115,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.46 : 209,399.09 = 83,755.46 : x
  2. Step 2: Convert to fraction form
    151,738.46/209,399.09 = 83,755.46/x
  3. Step 3: Cross multiply
    151,738.46x = 209,399.09 × 83,755.46
  4. Step 4: Simplify right side
    151,738.46x = 17,538,316,268.92
  5. Step 5: Solve for x
    x = 17,538,316,268.92/151,738.46
  6. Step 6: Final answer
    x = 115,582.54

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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.