Home / 165,035.70-247,553.55-115,269.30

Finding the Fourth Proportional to 165,035.70, 247,553.55 and 115,269.30

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Solution

The fourth proportional to 165,035.70, 247,553.55 and 115,269.30 is: 172,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,035.70 : 247,553.55 = 115,269.30 : x
  2. Step 2: Convert to fraction form
    165,035.70/247,553.55 = 115,269.30/x
  3. Step 3: Cross multiply
    165,035.70x = 247,553.55 × 115,269.30
  4. Step 4: Simplify right side
    165,035.70x = 28,535,324,421.02
  5. Step 5: Solve for x
    x = 28,535,324,421.02/165,035.70
  6. Step 6: Final answer
    x = 172,903.95

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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.