Home / 161,833.03-242,581.11-90,651.31

Finding the Fourth Proportional to 161,833.03, 242,581.11 and 90,651.31

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Solution

The fourth proportional to 161,833.03, 242,581.11 and 90,651.31 is: 135,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,833.03 : 242,581.11 = 90,651.31 : x
  2. Step 2: Convert to fraction form
    161,833.03/242,581.11 = 90,651.31/x
  3. Step 3: Cross multiply
    161,833.03x = 242,581.11 × 90,651.31
  4. Step 4: Simplify right side
    161,833.03x = 21,990,295,402.75
  5. Step 5: Solve for x
    x = 21,990,295,402.75/161,833.03
  6. Step 6: Final answer
    x = 135,882.62

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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.