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Finding the Fourth Proportional to 137,650.74, 206,336.64 and 93,282

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Solution

The fourth proportional to 137,650.74, 206,336.64 and 93,282 is: 139,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,650.74 : 206,336.64 = 93,282 : x
  2. Step 2: Convert to fraction form
    137,650.74/206,336.64 = 93,282/x
  3. Step 3: Cross multiply
    137,650.74x = 206,336.64 × 93,282
  4. Step 4: Simplify right side
    137,650.74x = 19,247,494,452.48
  5. Step 5: Solve for x
    x = 19,247,494,452.48/137,650.74
  6. Step 6: Final answer
    x = 139,828.49

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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.