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Finding the Fourth Proportional to 171,165, 236,128.17 and 110,755.12

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Solution

The fourth proportional to 171,165, 236,128.17 and 110,755.12 is: 152,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,165 : 236,128.17 = 110,755.12 : x
  2. Step 2: Convert to fraction form
    171,165/236,128.17 = 110,755.12/x
  3. Step 3: Cross multiply
    171,165x = 236,128.17 × 110,755.12
  4. Step 4: Simplify right side
    171,165x = 26,152,403,803.73
  5. Step 5: Solve for x
    x = 26,152,403,803.73/171,165
  6. Step 6: Final answer
    x = 152,790.60

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1.5x scale

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.