Home / 161,351.70-222,434.55-107,617.11

Finding the Fourth Proportional to 161,351.70, 222,434.55 and 107,617.11

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Solution

The fourth proportional to 161,351.70, 222,434.55 and 107,617.11 is: 148,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,351.70 : 222,434.55 = 107,617.11 : x
  2. Step 2: Convert to fraction form
    161,351.70/222,434.55 = 107,617.11/x
  3. Step 3: Cross multiply
    161,351.70x = 222,434.55 × 107,617.11
  4. Step 4: Simplify right side
    161,351.70x = 23,937,763,435.15
  5. Step 5: Solve for x
    x = 23,937,763,435.15/161,351.70
  6. Step 6: Final answer
    x = 148,357.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.