Home / 165,161.52-247,542.12-76,230

Finding the Fourth Proportional to 165,161.52, 247,542.12 and 76,230

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Solution

The fourth proportional to 165,161.52, 247,542.12 and 76,230 is: 114,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,161.52 : 247,542.12 = 76,230 : x
  2. Step 2: Convert to fraction form
    165,161.52/247,542.12 = 76,230/x
  3. Step 3: Cross multiply
    165,161.52x = 247,542.12 × 76,230
  4. Step 4: Simplify right side
    165,161.52x = 18,870,135,807.60
  5. Step 5: Solve for x
    x = 18,870,135,807.60/165,161.52
  6. Step 6: Final answer
    x = 114,252.62

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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.