Home / 126,770.52-190,178.41-42,558.11

Finding the Fourth Proportional to 126,770.52, 190,178.41 and 42,558.11

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Solution

The fourth proportional to 126,770.52, 190,178.41 and 42,558.11 is: 63,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,770.52 : 190,178.41 = 42,558.11 : x
  2. Step 2: Convert to fraction form
    126,770.52/190,178.41 = 42,558.11/x
  3. Step 3: Cross multiply
    126,770.52x = 190,178.41 × 42,558.11
  4. Step 4: Simplify right side
    126,770.52x = 8,093,633,692.41
  5. Step 5: Solve for x
    x = 8,093,633,692.41/126,770.52
  6. Step 6: Final answer
    x = 63,844.76

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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.