Home / 138,267.46-207,431.43-44,782.66

Finding the Fourth Proportional to 138,267.46, 207,431.43 and 44,782.66

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Solution

The fourth proportional to 138,267.46, 207,431.43 and 44,782.66 is: 67,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,267.46 : 207,431.43 = 44,782.66 : x
  2. Step 2: Convert to fraction form
    138,267.46/207,431.43 = 44,782.66/x
  3. Step 3: Cross multiply
    138,267.46x = 207,431.43 × 44,782.66
  4. Step 4: Simplify right side
    138,267.46x = 9,289,331,203.00
  5. Step 5: Solve for x
    x = 9,289,331,203.00/138,267.46
  6. Step 6: Final answer
    x = 67,183.78

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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.