Home / 150,652-207,821.28-89,362.54

Finding the Fourth Proportional to 150,652, 207,821.28 and 89,362.54

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Solution

The fourth proportional to 150,652, 207,821.28 and 89,362.54 is: 123,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,652 : 207,821.28 = 89,362.54 : x
  2. Step 2: Convert to fraction form
    150,652/207,821.28 = 89,362.54/x
  3. Step 3: Cross multiply
    150,652x = 207,821.28 × 89,362.54
  4. Step 4: Simplify right side
    150,652x = 18,571,437,446.85
  5. Step 5: Solve for x
    x = 18,571,437,446.85/150,652
  6. Step 6: Final answer
    x = 123,273.75

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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.