Home / 161,020.55-241,162.95-76,839.83

Finding the Fourth Proportional to 161,020.55, 241,162.95 and 76,839.83

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Solution

The fourth proportional to 161,020.55, 241,162.95 and 76,839.83 is: 115,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,020.55 : 241,162.95 = 76,839.83 : x
  2. Step 2: Convert to fraction form
    161,020.55/241,162.95 = 76,839.83/x
  3. Step 3: Cross multiply
    161,020.55x = 241,162.95 × 76,839.83
  4. Step 4: Simplify right side
    161,020.55x = 18,530,919,322.65
  5. Step 5: Solve for x
    x = 18,530,919,322.65/161,020.55
  6. Step 6: Final answer
    x = 115,084.19

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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.