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Finding the Fourth Proportional to 119,175.09, 178,717.20 and 34,917.27

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Solution

The fourth proportional to 119,175.09, 178,717.20 and 34,917.27 is: 52,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.09 : 178,717.20 = 34,917.27 : x
  2. Step 2: Convert to fraction form
    119,175.09/178,717.20 = 34,917.27/x
  3. Step 3: Cross multiply
    119,175.09x = 178,717.20 × 34,917.27
  4. Step 4: Simplify right side
    119,175.09x = 6,240,316,726.04
  5. Step 5: Solve for x
    x = 6,240,316,726.04/119,175.09
  6. Step 6: Final answer
    x = 52,362.59

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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.