Home / 202,269.60-303,577.20-90,122.40

Finding the Fourth Proportional to 202,269.60, 303,577.20 and 90,122.40

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Solution

The fourth proportional to 202,269.60, 303,577.20 and 90,122.40 is: 135,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,269.60 : 303,577.20 = 90,122.40 : x
  2. Step 2: Convert to fraction form
    202,269.60/303,577.20 = 90,122.40/x
  3. Step 3: Cross multiply
    202,269.60x = 303,577.20 × 90,122.40
  4. Step 4: Simplify right side
    202,269.60x = 27,359,105,849.28
  5. Step 5: Solve for x
    x = 27,359,105,849.28/202,269.60
  6. Step 6: Final answer
    x = 135,260.59

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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.