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Finding the Fourth Proportional to 193,737.96, 290,065.59 and 104,672.34

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Solution

The fourth proportional to 193,737.96, 290,065.59 and 104,672.34 is: 156,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,737.96 : 290,065.59 = 104,672.34 : x
  2. Step 2: Convert to fraction form
    193,737.96/290,065.59 = 104,672.34/x
  3. Step 3: Cross multiply
    193,737.96x = 290,065.59 × 104,672.34
  4. Step 4: Simplify right side
    193,737.96x = 30,361,844,058.78
  5. Step 5: Solve for x
    x = 30,361,844,058.78/193,737.96
  6. Step 6: Final answer
    x = 156,716.03

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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.