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Finding the Fourth Proportional to 171,634.61, 236,861.52 and 95,149.15

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Solution

The fourth proportional to 171,634.61, 236,861.52 and 95,149.15 is: 131,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,634.61 : 236,861.52 = 95,149.15 : x
  2. Step 2: Convert to fraction form
    171,634.61/236,861.52 = 95,149.15/x
  3. Step 3: Cross multiply
    171,634.61x = 236,861.52 × 95,149.15
  4. Step 4: Simplify right side
    171,634.61x = 22,537,171,703.55
  5. Step 5: Solve for x
    x = 22,537,171,703.55/171,634.61
  6. Step 6: Final answer
    x = 131,309.01

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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.