Home / 126,310.90-189,425.34-42,048.44

Finding the Fourth Proportional to 126,310.90, 189,425.34 and 42,048.44

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Solution

The fourth proportional to 126,310.90, 189,425.34 and 42,048.44 is: 63,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.90 : 189,425.34 = 42,048.44 : x
  2. Step 2: Convert to fraction form
    126,310.90/189,425.34 = 42,048.44/x
  3. Step 3: Cross multiply
    126,310.90x = 189,425.34 × 42,048.44
  4. Step 4: Simplify right side
    126,310.90x = 7,965,040,043.47
  5. Step 5: Solve for x
    x = 7,965,040,043.47/126,310.90
  6. Step 6: Final answer
    x = 63,059.01

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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.