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Finding the Fourth Proportional to 104,393.34, 156,575.43 and 44,445.85

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Solution

The fourth proportional to 104,393.34, 156,575.43 and 44,445.85 is: 66,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,393.34 : 156,575.43 = 44,445.85 : x
  2. Step 2: Convert to fraction form
    104,393.34/156,575.43 = 44,445.85/x
  3. Step 3: Cross multiply
    104,393.34x = 156,575.43 × 44,445.85
  4. Step 4: Simplify right side
    104,393.34x = 6,959,128,075.47
  5. Step 5: Solve for x
    x = 6,959,128,075.47/104,393.34
  6. Step 6: Final answer
    x = 66,662.57

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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.