Home / 165,135.60-227,981.70-108,711

Finding the Fourth Proportional to 165,135.60, 227,981.70 and 108,711

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Solution

The fourth proportional to 165,135.60, 227,981.70 and 108,711 is: 150,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,135.60 : 227,981.70 = 108,711 : x
  2. Step 2: Convert to fraction form
    165,135.60/227,981.70 = 108,711/x
  3. Step 3: Cross multiply
    165,135.60x = 227,981.70 × 108,711
  4. Step 4: Simplify right side
    165,135.60x = 24,784,118,588.70
  5. Step 5: Solve for x
    x = 24,784,118,588.70/165,135.60
  6. Step 6: Final answer
    x = 150,083.44

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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.