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Finding the Fourth Proportional to 104,385.94, 156,377.36 and 62,299.60

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Solution

The fourth proportional to 104,385.94, 156,377.36 and 62,299.60 is: 93,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,385.94 : 156,377.36 = 62,299.60 : x
  2. Step 2: Convert to fraction form
    104,385.94/156,377.36 = 62,299.60/x
  3. Step 3: Cross multiply
    104,385.94x = 156,377.36 × 62,299.60
  4. Step 4: Simplify right side
    104,385.94x = 9,742,246,977.06
  5. Step 5: Solve for x
    x = 9,742,246,977.06/104,385.94
  6. Step 6: Final answer
    x = 93,329.11

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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.