Home / 160,986.19-222,059.89-103,699.75

Finding the Fourth Proportional to 160,986.19, 222,059.89 and 103,699.75

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Solution

The fourth proportional to 160,986.19, 222,059.89 and 103,699.75 is: 143,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,986.19 : 222,059.89 = 103,699.75 : x
  2. Step 2: Convert to fraction form
    160,986.19/222,059.89 = 103,699.75/x
  3. Step 3: Cross multiply
    160,986.19x = 222,059.89 × 103,699.75
  4. Step 4: Simplify right side
    160,986.19x = 23,027,555,078.03
  5. Step 5: Solve for x
    x = 23,027,555,078.03/160,986.19
  6. Step 6: Final answer
    x = 143,040.56

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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.