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Finding the Fourth Proportional to 93.52, 141.10 and 89.02

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Solution

The fourth proportional to 93.52, 141.10 and 89.02 is: 134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.52 : 141.10 = 89.02 : x
  2. Step 2: Convert to fraction form
    93.52/141.10 = 89.02/x
  3. Step 3: Cross multiply
    93.52x = 141.10 × 89.02
  4. Step 4: Simplify right side
    93.52x = 12,560.72
  5. Step 5: Solve for x
    x = 12,560.72/93.52
  6. Step 6: Final answer
    x = 134.31

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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.