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Finding the Fourth Proportional to 172,950, 238,671.12 and 93,462

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Solution

The fourth proportional to 172,950, 238,671.12 and 93,462 is: 128,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950 : 238,671.12 = 93,462 : x
  2. Step 2: Convert to fraction form
    172,950/238,671.12 = 93,462/x
  3. Step 3: Cross multiply
    172,950x = 238,671.12 × 93,462
  4. Step 4: Simplify right side
    172,950x = 22,306,680,217.44
  5. Step 5: Solve for x
    x = 22,306,680,217.44/172,950
  6. Step 6: Final answer
    x = 128,977.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.