Home / 146,485.47-219,552.41-75,441.54

Finding the Fourth Proportional to 146,485.47, 219,552.41 and 75,441.54

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Solution

The fourth proportional to 146,485.47, 219,552.41 and 75,441.54 is: 113,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.47 : 219,552.41 = 75,441.54 : x
  2. Step 2: Convert to fraction form
    146,485.47/219,552.41 = 75,441.54/x
  3. Step 3: Cross multiply
    146,485.47x = 219,552.41 × 75,441.54
  4. Step 4: Simplify right side
    146,485.47x = 16,563,372,933.04
  5. Step 5: Solve for x
    x = 16,563,372,933.04/146,485.47
  6. Step 6: Final answer
    x = 113,071.78

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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.