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Finding the Fourth Proportional to 112,376.31, 168,508.04 and 37,469.94

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Solution

The fourth proportional to 112,376.31, 168,508.04 and 37,469.94 is: 56,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.31 : 168,508.04 = 37,469.94 : x
  2. Step 2: Convert to fraction form
    112,376.31/168,508.04 = 37,469.94/x
  3. Step 3: Cross multiply
    112,376.31x = 168,508.04 × 37,469.94
  4. Step 4: Simplify right side
    112,376.31x = 6,313,985,960.97
  5. Step 5: Solve for x
    x = 6,313,985,960.97/112,376.31
  6. Step 6: Final answer
    x = 56,186.09

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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.