Home / 138,738.95-208,114.20-43,967.03

Finding the Fourth Proportional to 138,738.95, 208,114.20 and 43,967.03

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Solution

The fourth proportional to 138,738.95, 208,114.20 and 43,967.03 is: 65,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,738.95 : 208,114.20 = 43,967.03 : x
  2. Step 2: Convert to fraction form
    138,738.95/208,114.20 = 43,967.03/x
  3. Step 3: Cross multiply
    138,738.95x = 208,114.20 × 43,967.03
  4. Step 4: Simplify right side
    138,738.95x = 9,150,162,234.26
  5. Step 5: Solve for x
    x = 9,150,162,234.26/138,738.95
  6. Step 6: Final answer
    x = 65,952.37

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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.