Home / 165,287.04-228,097.62-89,835.72

Finding the Fourth Proportional to 165,287.04, 228,097.62 and 89,835.72

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Solution

The fourth proportional to 165,287.04, 228,097.62 and 89,835.72 is: 123,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.04 : 228,097.62 = 89,835.72 : x
  2. Step 2: Convert to fraction form
    165,287.04/228,097.62 = 89,835.72/x
  3. Step 3: Cross multiply
    165,287.04x = 228,097.62 × 89,835.72
  4. Step 4: Simplify right side
    165,287.04x = 20,491,313,922.99
  5. Step 5: Solve for x
    x = 20,491,313,922.99/165,287.04
  6. Step 6: Final answer
    x = 123,974.11

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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.