Home / 189,449.45-261,754.02-149,467.44

Finding the Fourth Proportional to 189,449.45, 261,754.02 and 149,467.44

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Solution

The fourth proportional to 189,449.45, 261,754.02 and 149,467.44 is: 206,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,449.45 : 261,754.02 = 149,467.44 : x
  2. Step 2: Convert to fraction form
    189,449.45/261,754.02 = 149,467.44/x
  3. Step 3: Cross multiply
    189,449.45x = 261,754.02 × 149,467.44
  4. Step 4: Simplify right side
    189,449.45x = 39,123,703,279.11
  5. Step 5: Solve for x
    x = 39,123,703,279.11/189,449.45
  6. Step 6: Final answer
    x = 206,512.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.