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Finding the Fourth Proportional to 93.61, 141.39 and 93.61

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Solution

The fourth proportional to 93.61, 141.39 and 93.61 is: 141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.61 : 141.39 = 93.61 : x
  2. Step 2: Convert to fraction form
    93.61/141.39 = 93.61/x
  3. Step 3: Cross multiply
    93.61x = 141.39 × 93.61
  4. Step 4: Simplify right side
    93.61x = 13,235.52
  5. Step 5: Solve for x
    x = 13,235.52/93.61
  6. Step 6: Final answer
    x = 141.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.