Home / 133,727.20-200,644.80-58,861.60

Finding the Fourth Proportional to 133,727.20, 200,644.80 and 58,861.60

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Solution

The fourth proportional to 133,727.20, 200,644.80 and 58,861.60 is: 88,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,727.20 : 200,644.80 = 58,861.60 : x
  2. Step 2: Convert to fraction form
    133,727.20/200,644.80 = 58,861.60/x
  3. Step 3: Cross multiply
    133,727.20x = 200,644.80 × 58,861.60
  4. Step 4: Simplify right side
    133,727.20x = 11,810,273,959.68
  5. Step 5: Solve for x
    x = 11,810,273,959.68/133,727.20
  6. Step 6: Final answer
    x = 88,316.17

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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.