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Finding the Fourth Proportional to 104,491.36, 156,756.48 and 34,373.44

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Solution

The fourth proportional to 104,491.36, 156,756.48 and 34,373.44 is: 51,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.36 : 156,756.48 = 34,373.44 : x
  2. Step 2: Convert to fraction form
    104,491.36/156,756.48 = 34,373.44/x
  3. Step 3: Cross multiply
    104,491.36x = 156,756.48 × 34,373.44
  4. Step 4: Simplify right side
    104,491.36x = 5,388,259,459.89
  5. Step 5: Solve for x
    x = 5,388,259,459.89/104,491.36
  6. Step 6: Final answer
    x = 51,566.55

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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.