Home / 126,525.78-189,841.38-55,499.43

Finding the Fourth Proportional to 126,525.78, 189,841.38 and 55,499.43

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Solution

The fourth proportional to 126,525.78, 189,841.38 and 55,499.43 is: 83,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525.78 : 189,841.38 = 55,499.43 : x
  2. Step 2: Convert to fraction form
    126,525.78/189,841.38 = 55,499.43/x
  3. Step 3: Cross multiply
    126,525.78x = 189,841.38 × 55,499.43
  4. Step 4: Simplify right side
    126,525.78x = 10,536,088,380.41
  5. Step 5: Solve for x
    x = 10,536,088,380.41/126,525.78
  6. Step 6: Final answer
    x = 83,272.27

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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.