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Finding the Fourth Proportional to 117,734.33, 176,494.67 and 42,801.54

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Solution

The fourth proportional to 117,734.33, 176,494.67 and 42,801.54 is: 64,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,734.33 : 176,494.67 = 42,801.54 : x
  2. Step 2: Convert to fraction form
    117,734.33/176,494.67 = 42,801.54/x
  3. Step 3: Cross multiply
    117,734.33x = 176,494.67 × 42,801.54
  4. Step 4: Simplify right side
    117,734.33x = 7,554,243,463.78
  5. Step 5: Solve for x
    x = 7,554,243,463.78/117,734.33
  6. Step 6: Final answer
    x = 64,163.48

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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.