Home / 161,462.85-222,849.57-106,918.88

Finding the Fourth Proportional to 161,462.85, 222,849.57 and 106,918.88

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Solution

The fourth proportional to 161,462.85, 222,849.57 and 106,918.88 is: 147,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,462.85 : 222,849.57 = 106,918.88 : x
  2. Step 2: Convert to fraction form
    161,462.85/222,849.57 = 106,918.88/x
  3. Step 3: Cross multiply
    161,462.85x = 222,849.57 × 106,918.88
  4. Step 4: Simplify right side
    161,462.85x = 23,826,825,318.63
  5. Step 5: Solve for x
    x = 23,826,825,318.63/161,462.85
  6. Step 6: Final answer
    x = 147,568.47

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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.