Home / 144,785.04-199,788.86-81,110.54

Finding the Fourth Proportional to 144,785.04, 199,788.86 and 81,110.54

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Solution

The fourth proportional to 144,785.04, 199,788.86 and 81,110.54 is: 111,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,785.04 : 199,788.86 = 81,110.54 : x
  2. Step 2: Convert to fraction form
    144,785.04/199,788.86 = 81,110.54/x
  3. Step 3: Cross multiply
    144,785.04x = 199,788.86 × 81,110.54
  4. Step 4: Simplify right side
    144,785.04x = 16,204,982,320.58
  5. Step 5: Solve for x
    x = 16,204,982,320.58/144,785.04
  6. Step 6: Final answer
    x = 111,924.42

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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.