Home / 138,239.82-207,392.63-44,745.57

Finding the Fourth Proportional to 138,239.82, 207,392.63 and 44,745.57

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Solution

The fourth proportional to 138,239.82, 207,392.63 and 44,745.57 is: 67,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,239.82 : 207,392.63 = 44,745.57 : x
  2. Step 2: Convert to fraction form
    138,239.82/207,392.63 = 44,745.57/x
  3. Step 3: Cross multiply
    138,239.82x = 207,392.63 × 44,745.57
  4. Step 4: Simplify right side
    138,239.82x = 9,279,901,219.42
  5. Step 5: Solve for x
    x = 9,279,901,219.42/138,239.82
  6. Step 6: Final answer
    x = 67,129.00

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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.