Home / 272,646.92-408,906.80-104,105.36

Finding the Fourth Proportional to 272,646.92, 408,906.80 and 104,105.36

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Solution

The fourth proportional to 272,646.92, 408,906.80 and 104,105.36 is: 156,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,646.92 : 408,906.80 = 104,105.36 : x
  2. Step 2: Convert to fraction form
    272,646.92/408,906.80 = 104,105.36/x
  3. Step 3: Cross multiply
    272,646.92x = 408,906.80 × 104,105.36
  4. Step 4: Simplify right side
    272,646.92x = 42,569,389,620.45
  5. Step 5: Solve for x
    x = 42,569,389,620.45/272,646.92
  6. Step 6: Final answer
    x = 156,133.76

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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.