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Finding the Fourth Proportional to 235,193.85, 352,737.62 and 108,764.87

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Solution

The fourth proportional to 235,193.85, 352,737.62 and 108,764.87 is: 163,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,193.85 : 352,737.62 = 108,764.87 : x
  2. Step 2: Convert to fraction form
    235,193.85/352,737.62 = 108,764.87/x
  3. Step 3: Cross multiply
    235,193.85x = 352,737.62 × 108,764.87
  4. Step 4: Simplify right side
    235,193.85x = 38,365,461,383.41
  5. Step 5: Solve for x
    x = 38,365,461,383.41/235,193.85
  6. Step 6: Final answer
    x = 163,122.72

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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.