Home / 215,840.20-323,769.90-73,683.40

Finding the Fourth Proportional to 215,840.20, 323,769.90 and 73,683.40

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Solution

The fourth proportional to 215,840.20, 323,769.90 and 73,683.40 is: 110,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,840.20 : 323,769.90 = 73,683.40 : x
  2. Step 2: Convert to fraction form
    215,840.20/323,769.90 = 73,683.40/x
  3. Step 3: Cross multiply
    215,840.20x = 323,769.90 × 73,683.40
  4. Step 4: Simplify right side
    215,840.20x = 23,856,467,049.66
  5. Step 5: Solve for x
    x = 23,856,467,049.66/215,840.20
  6. Step 6: Final answer
    x = 110,528.38

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1.5x scale

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.