Home / 165,727.80-248,591.70-91,078.20

Finding the Fourth Proportional to 165,727.80, 248,591.70 and 91,078.20

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Solution

The fourth proportional to 165,727.80, 248,591.70 and 91,078.20 is: 136,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,727.80 : 248,591.70 = 91,078.20 : x
  2. Step 2: Convert to fraction form
    165,727.80/248,591.70 = 91,078.20/x
  3. Step 3: Cross multiply
    165,727.80x = 248,591.70 × 91,078.20
  4. Step 4: Simplify right side
    165,727.80x = 22,641,284,570.94
  5. Step 5: Solve for x
    x = 22,641,284,570.94/165,727.80
  6. Step 6: Final answer
    x = 136,617.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.