Home / 169,403.36-254,069.40-109,251.68

Finding the Fourth Proportional to 169,403.36, 254,069.40 and 109,251.68

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Solution

The fourth proportional to 169,403.36, 254,069.40 and 109,251.68 is: 163,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,403.36 : 254,069.40 = 109,251.68 : x
  2. Step 2: Convert to fraction form
    169,403.36/254,069.40 = 109,251.68/x
  3. Step 3: Cross multiply
    169,403.36x = 254,069.40 × 109,251.68
  4. Step 4: Simplify right side
    169,403.36x = 27,757,508,786.59
  5. Step 5: Solve for x
    x = 27,757,508,786.59/169,403.36
  6. Step 6: Final answer
    x = 163,854.54

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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.