Home / 161,202.60-241,998.30-90,181.80

Finding the Fourth Proportional to 161,202.60, 241,998.30 and 90,181.80

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Solution

The fourth proportional to 161,202.60, 241,998.30 and 90,181.80 is: 135,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,202.60 : 241,998.30 = 90,181.80 : x
  2. Step 2: Convert to fraction form
    161,202.60/241,998.30 = 90,181.80/x
  3. Step 3: Cross multiply
    161,202.60x = 241,998.30 × 90,181.80
  4. Step 4: Simplify right side
    161,202.60x = 21,823,842,290.94
  5. Step 5: Solve for x
    x = 21,823,842,290.94/161,202.60
  6. Step 6: Final answer
    x = 135,381.45

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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.