Home / 203,022.20-303,877.20-158,407.40

Finding the Fourth Proportional to 203,022.20, 303,877.20 and 158,407.40

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Solution

The fourth proportional to 203,022.20, 303,877.20 and 158,407.40 is: 237,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,022.20 : 303,877.20 = 158,407.40 : x
  2. Step 2: Convert to fraction form
    203,022.20/303,877.20 = 158,407.40/x
  3. Step 3: Cross multiply
    203,022.20x = 303,877.20 × 158,407.40
  4. Step 4: Simplify right side
    203,022.20x = 48,136,397,171.28
  5. Step 5: Solve for x
    x = 48,136,397,171.28/203,022.20
  6. Step 6: Final answer
    x = 237,099.18

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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.