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Finding the Fourth Proportional to 129,807.60, 194,567.40 and 50,895.60

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Solution

The fourth proportional to 129,807.60, 194,567.40 and 50,895.60 is: 76,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807.60 : 194,567.40 = 50,895.60 : x
  2. Step 2: Convert to fraction form
    129,807.60/194,567.40 = 50,895.60/x
  3. Step 3: Cross multiply
    129,807.60x = 194,567.40 × 50,895.60
  4. Step 4: Simplify right side
    129,807.60x = 9,902,624,563.44
  5. Step 5: Solve for x
    x = 9,902,624,563.44/129,807.60
  6. Step 6: Final answer
    x = 76,286.94

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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.