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Finding the Fourth Proportional to 202,241.90, 303,472.20 and 89,939.45

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Solution

The fourth proportional to 202,241.90, 303,472.20 and 89,939.45 is: 134,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,241.90 : 303,472.20 = 89,939.45 : x
  2. Step 2: Convert to fraction form
    202,241.90/303,472.20 = 89,939.45/x
  3. Step 3: Cross multiply
    202,241.90x = 303,472.20 × 89,939.45
  4. Step 4: Simplify right side
    202,241.90x = 27,294,122,758.29
  5. Step 5: Solve for x
    x = 27,294,122,758.29/202,241.90
  6. Step 6: Final answer
    x = 134,957.80

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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.