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Finding the Fourth Proportional to 93,758.68, 140,694.66 and 49,418.20

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Solution

The fourth proportional to 93,758.68, 140,694.66 and 49,418.20 is: 74,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,758.68 : 140,694.66 = 49,418.20 : x
  2. Step 2: Convert to fraction form
    93,758.68/140,694.66 = 49,418.20/x
  3. Step 3: Cross multiply
    93,758.68x = 140,694.66 × 49,418.20
  4. Step 4: Simplify right side
    93,758.68x = 6,952,876,846.81
  5. Step 5: Solve for x
    x = 6,952,876,846.81/93,758.68
  6. Step 6: Final answer
    x = 74,157.15

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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.