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Finding the Fourth Proportional to 134,098.80, 201,261.60 and 55,269.60

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Solution

The fourth proportional to 134,098.80, 201,261.60 and 55,269.60 is: 82,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,098.80 : 201,261.60 = 55,269.60 : x
  2. Step 2: Convert to fraction form
    134,098.80/201,261.60 = 55,269.60/x
  3. Step 3: Cross multiply
    134,098.80x = 201,261.60 × 55,269.60
  4. Step 4: Simplify right side
    134,098.80x = 11,123,648,127.36
  5. Step 5: Solve for x
    x = 11,123,648,127.36/134,098.80
  6. Step 6: Final answer
    x = 82,951.14

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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.