Home / 126,030.20-189,045.30-63,692.60

Finding the Fourth Proportional to 126,030.20, 189,045.30 and 63,692.60

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Solution

The fourth proportional to 126,030.20, 189,045.30 and 63,692.60 is: 95,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.20 : 189,045.30 = 63,692.60 : x
  2. Step 2: Convert to fraction form
    126,030.20/189,045.30 = 63,692.60/x
  3. Step 3: Cross multiply
    126,030.20x = 189,045.30 × 63,692.60
  4. Step 4: Simplify right side
    126,030.20x = 12,040,786,674.78
  5. Step 5: Solve for x
    x = 12,040,786,674.78/126,030.20
  6. Step 6: Final answer
    x = 95,538.90

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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.