Home / 146,305.89-219,583.41-57,621.69

Finding the Fourth Proportional to 146,305.89, 219,583.41 and 57,621.69

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Solution

The fourth proportional to 146,305.89, 219,583.41 and 57,621.69 is: 86,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,305.89 : 219,583.41 = 57,621.69 : x
  2. Step 2: Convert to fraction form
    146,305.89/219,583.41 = 57,621.69/x
  3. Step 3: Cross multiply
    146,305.89x = 219,583.41 × 57,621.69
  4. Step 4: Simplify right side
    146,305.89x = 12,652,767,180.16
  5. Step 5: Solve for x
    x = 12,652,767,180.16/146,305.89
  6. Step 6: Final answer
    x = 86,481.60

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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.