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Finding the Fourth Proportional to 137,635.44, 206,426.52 and 62,734.56

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Solution

The fourth proportional to 137,635.44, 206,426.52 and 62,734.56 is: 94,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,635.44 : 206,426.52 = 62,734.56 : x
  2. Step 2: Convert to fraction form
    137,635.44/206,426.52 = 62,734.56/x
  3. Step 3: Cross multiply
    137,635.44x = 206,426.52 × 62,734.56
  4. Step 4: Simplify right side
    137,635.44x = 12,950,076,904.53
  5. Step 5: Solve for x
    x = 12,950,076,904.53/137,635.44
  6. Step 6: Final answer
    x = 94,089.70

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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.