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Finding the Fourth Proportional to 202,285.60, 303,136.80 and 89,873.80

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Solution

The fourth proportional to 202,285.60, 303,136.80 and 89,873.80 is: 134,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,285.60 : 303,136.80 = 89,873.80 : x
  2. Step 2: Convert to fraction form
    202,285.60/303,136.80 = 89,873.80/x
  3. Step 3: Cross multiply
    202,285.60x = 303,136.80 × 89,873.80
  4. Step 4: Simplify right side
    202,285.60x = 27,244,056,135.84
  5. Step 5: Solve for x
    x = 27,244,056,135.84/202,285.60
  6. Step 6: Final answer
    x = 134,681.14

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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.