Home / 138,106.24-207,162.06-43,334.44

Finding the Fourth Proportional to 138,106.24, 207,162.06 and 43,334.44

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Solution

The fourth proportional to 138,106.24, 207,162.06 and 43,334.44 is: 65,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,106.24 : 207,162.06 = 43,334.44 : x
  2. Step 2: Convert to fraction form
    138,106.24/207,162.06 = 43,334.44/x
  3. Step 3: Cross multiply
    138,106.24x = 207,162.06 × 43,334.44
  4. Step 4: Simplify right side
    138,106.24x = 8,977,251,859.35
  5. Step 5: Solve for x
    x = 8,977,251,859.35/138,106.24
  6. Step 6: Final answer
    x = 65,002.51

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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.