Home / 120,748.90-166,635.34-67,037.38

Finding the Fourth Proportional to 120,748.90, 166,635.34 and 67,037.38

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Solution

The fourth proportional to 120,748.90, 166,635.34 and 67,037.38 is: 92,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,748.90 : 166,635.34 = 67,037.38 : x
  2. Step 2: Convert to fraction form
    120,748.90/166,635.34 = 67,037.38/x
  3. Step 3: Cross multiply
    120,748.90x = 166,635.34 × 67,037.38
  4. Step 4: Simplify right side
    120,748.90x = 11,170,796,609.01
  5. Step 5: Solve for x
    x = 11,170,796,609.01/120,748.90
  6. Step 6: Final answer
    x = 92,512.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.