Home / 169,936.96-254,890.69-79,958.31

Finding the Fourth Proportional to 169,936.96, 254,890.69 and 79,958.31

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Solution

The fourth proportional to 169,936.96, 254,890.69 and 79,958.31 is: 119,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,936.96 : 254,890.69 = 79,958.31 : x
  2. Step 2: Convert to fraction form
    169,936.96/254,890.69 = 79,958.31/x
  3. Step 3: Cross multiply
    169,936.96x = 254,890.69 × 79,958.31
  4. Step 4: Simplify right side
    169,936.96x = 20,380,628,807.13
  5. Step 5: Solve for x
    x = 20,380,628,807.13/169,936.96
  6. Step 6: Final answer
    x = 119,930.52

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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.