Home / 147,308.20-220,975.03-40,692.12

Finding the Fourth Proportional to 147,308.20, 220,975.03 and 40,692.12

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Solution

The fourth proportional to 147,308.20, 220,975.03 and 40,692.12 is: 61,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.20 : 220,975.03 = 40,692.12 : x
  2. Step 2: Convert to fraction form
    147,308.20/220,975.03 = 40,692.12/x
  3. Step 3: Cross multiply
    147,308.20x = 220,975.03 × 40,692.12
  4. Step 4: Simplify right side
    147,308.20x = 8,991,942,167.02
  5. Step 5: Solve for x
    x = 8,991,942,167.02/147,308.20
  6. Step 6: Final answer
    x = 61,041.69

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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.