Home / 161,120.35-241,312.38-76,939.48

Finding the Fourth Proportional to 161,120.35, 241,312.38 and 76,939.48

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Solution

The fourth proportional to 161,120.35, 241,312.38 and 76,939.48 is: 115,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,120.35 : 241,312.38 = 76,939.48 : x
  2. Step 2: Convert to fraction form
    161,120.35/241,312.38 = 76,939.48/x
  3. Step 3: Cross multiply
    161,120.35x = 241,312.38 × 76,939.48
  4. Step 4: Simplify right side
    161,120.35x = 18,566,449,034.76
  5. Step 5: Solve for x
    x = 18,566,449,034.76/161,120.35
  6. Step 6: Final answer
    x = 115,233.42

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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.