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Finding the Fourth Proportional to 104,328.56, 156,490.10 and 29,453.88

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Solution

The fourth proportional to 104,328.56, 156,490.10 and 29,453.88 is: 44,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328.56 : 156,490.10 = 29,453.88 : x
  2. Step 2: Convert to fraction form
    104,328.56/156,490.10 = 29,453.88/x
  3. Step 3: Cross multiply
    104,328.56x = 156,490.10 × 29,453.88
  4. Step 4: Simplify right side
    104,328.56x = 4,609,240,626.59
  5. Step 5: Solve for x
    x = 4,609,240,626.59/104,328.56
  6. Step 6: Final answer
    x = 44,180.05

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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.