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Finding the Fourth Proportional to 185,136.38, 277,517.60 and 72,895.38

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Solution

The fourth proportional to 185,136.38, 277,517.60 and 72,895.38 is: 109,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,136.38 : 277,517.60 = 72,895.38 : x
  2. Step 2: Convert to fraction form
    185,136.38/277,517.60 = 72,895.38/x
  3. Step 3: Cross multiply
    185,136.38x = 277,517.60 × 72,895.38
  4. Step 4: Simplify right side
    185,136.38x = 20,229,750,908.69
  5. Step 5: Solve for x
    x = 20,229,750,908.69/185,136.38
  6. Step 6: Final answer
    x = 109,269.45

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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.