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Finding the Fourth Proportional to 104,068, 156,096.52 and 29,193.36

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Solution

The fourth proportional to 104,068, 156,096.52 and 29,193.36 is: 43,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068 : 156,096.52 = 29,193.36 : x
  2. Step 2: Convert to fraction form
    104,068/156,096.52 = 29,193.36/x
  3. Step 3: Cross multiply
    104,068x = 156,096.52 × 29,193.36
  4. Step 4: Simplify right side
    104,068x = 4,556,981,903.11
  5. Step 5: Solve for x
    x = 4,556,981,903.11/104,068
  6. Step 6: Final answer
    x = 43,788.50

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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.