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Finding the Fourth Proportional to 117,253.92, 175,860.24 and 34,128.48

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Solution

The fourth proportional to 117,253.92, 175,860.24 and 34,128.48 is: 51,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,253.92 : 175,860.24 = 34,128.48 : x
  2. Step 2: Convert to fraction form
    117,253.92/175,860.24 = 34,128.48/x
  3. Step 3: Cross multiply
    117,253.92x = 175,860.24 × 34,128.48
  4. Step 4: Simplify right side
    117,253.92x = 6,001,842,683.64
  5. Step 5: Solve for x
    x = 6,001,842,683.64/117,253.92
  6. Step 6: Final answer
    x = 51,186.71

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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.