Home / 146,002.79-219,004.38-40,821.66

Finding the Fourth Proportional to 146,002.79, 219,004.38 and 40,821.66

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Solution

The fourth proportional to 146,002.79, 219,004.38 and 40,821.66 is: 61,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,002.79 : 219,004.38 = 40,821.66 : x
  2. Step 2: Convert to fraction form
    146,002.79/219,004.38 = 40,821.66/x
  3. Step 3: Cross multiply
    146,002.79x = 219,004.38 × 40,821.66
  4. Step 4: Simplify right side
    146,002.79x = 8,940,122,338.87
  5. Step 5: Solve for x
    x = 8,940,122,338.87/146,002.79
  6. Step 6: Final answer
    x = 61,232.55

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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.