Home / 171,949.60-257,960.85-51,996.70

Finding the Fourth Proportional to 171,949.60, 257,960.85 and 51,996.70

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Solution

The fourth proportional to 171,949.60, 257,960.85 and 51,996.70 is: 78,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,949.60 : 257,960.85 = 51,996.70 : x
  2. Step 2: Convert to fraction form
    171,949.60/257,960.85 = 51,996.70/x
  3. Step 3: Cross multiply
    171,949.60x = 257,960.85 × 51,996.70
  4. Step 4: Simplify right side
    171,949.60x = 13,413,112,929.20
  5. Step 5: Solve for x
    x = 13,413,112,929.20/171,949.60
  6. Step 6: Final answer
    x = 78,006.07

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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.