Home / 203,021.20-303,875.70-158,406.40

Finding the Fourth Proportional to 203,021.20, 303,875.70 and 158,406.40

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Solution

The fourth proportional to 203,021.20, 303,875.70 and 158,406.40 is: 237,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,021.20 : 303,875.70 = 158,406.40 : x
  2. Step 2: Convert to fraction form
    203,021.20/303,875.70 = 158,406.40/x
  3. Step 3: Cross multiply
    203,021.20x = 303,875.70 × 158,406.40
  4. Step 4: Simplify right side
    203,021.20x = 48,135,855,684.48
  5. Step 5: Solve for x
    x = 48,135,855,684.48/203,021.20
  6. Step 6: Final answer
    x = 237,097.68

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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.