Home / 104,245.34-156,375.09-51,640.70

Finding the Fourth Proportional to 104,245.34, 156,375.09 and 51,640.70

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Solution

The fourth proportional to 104,245.34, 156,375.09 and 51,640.70 is: 77,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,245.34 : 156,375.09 = 51,640.70 : x
  2. Step 2: Convert to fraction form
    104,245.34/156,375.09 = 51,640.70/x
  3. Step 3: Cross multiply
    104,245.34x = 156,375.09 × 51,640.70
  4. Step 4: Simplify right side
    104,245.34x = 8,075,318,328.29
  5. Step 5: Solve for x
    x = 8,075,318,328.29/104,245.34
  6. Step 6: Final answer
    x = 77,464.55

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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.