Home / 161,329.82-241,836.77-90,287.15

Finding the Fourth Proportional to 161,329.82, 241,836.77 and 90,287.15

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Solution

The fourth proportional to 161,329.82, 241,836.77 and 90,287.15 is: 135,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,329.82 : 241,836.77 = 90,287.15 : x
  2. Step 2: Convert to fraction form
    161,329.82/241,836.77 = 90,287.15/x
  3. Step 3: Cross multiply
    161,329.82x = 241,836.77 × 90,287.15
  4. Step 4: Simplify right side
    161,329.82x = 21,834,751,745.04
  5. Step 5: Solve for x
    x = 21,834,751,745.04/161,329.82
  6. Step 6: Final answer
    x = 135,342.32

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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.