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Finding the Fourth Proportional to 164,874.40, 227,523.96 and 93,251.72

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Solution

The fourth proportional to 164,874.40, 227,523.96 and 93,251.72 is: 128,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,874.40 : 227,523.96 = 93,251.72 : x
  2. Step 2: Convert to fraction form
    164,874.40/227,523.96 = 93,251.72/x
  3. Step 3: Cross multiply
    164,874.40x = 227,523.96 × 93,251.72
  4. Step 4: Simplify right side
    164,874.40x = 21,217,000,611.21
  5. Step 5: Solve for x
    x = 21,217,000,611.21/164,874.40
  6. Step 6: Final answer
    x = 128,685.84

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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.