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Finding the Fourth Proportional to 93.48, 140.10 and 92.46

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Solution

The fourth proportional to 93.48, 140.10 and 92.46 is: 138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.48 : 140.10 = 92.46 : x
  2. Step 2: Convert to fraction form
    93.48/140.10 = 92.46/x
  3. Step 3: Cross multiply
    93.48x = 140.10 × 92.46
  4. Step 4: Simplify right side
    93.48x = 12,953.65
  5. Step 5: Solve for x
    x = 12,953.65/93.48
  6. Step 6: Final answer
    x = 138.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.