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Finding the Fourth Proportional to 182,696.64, 274,081.68 and 64,451.76

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Solution

The fourth proportional to 182,696.64, 274,081.68 and 64,451.76 is: 96,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,696.64 : 274,081.68 = 64,451.76 : x
  2. Step 2: Convert to fraction form
    182,696.64/274,081.68 = 64,451.76/x
  3. Step 3: Cross multiply
    182,696.64x = 274,081.68 × 64,451.76
  4. Step 4: Simplify right side
    182,696.64x = 17,665,046,659.76
  5. Step 5: Solve for x
    x = 17,665,046,659.76/182,696.64
  6. Step 6: Final answer
    x = 96,690.59

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Why These Related Problems?

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