Home / 138,250.54-207,408.75-44,756.29

Finding the Fourth Proportional to 138,250.54, 207,408.75 and 44,756.29

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Solution

The fourth proportional to 138,250.54, 207,408.75 and 44,756.29 is: 67,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,250.54 : 207,408.75 = 44,756.29 : x
  2. Step 2: Convert to fraction form
    138,250.54/207,408.75 = 44,756.29/x
  3. Step 3: Cross multiply
    138,250.54x = 207,408.75 × 44,756.29
  4. Step 4: Simplify right side
    138,250.54x = 9,282,846,163.54
  5. Step 5: Solve for x
    x = 9,282,846,163.54/138,250.54
  6. Step 6: Final answer
    x = 67,145.10

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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.