Home / 120,369.26-166,090.02-69,384.08

Finding the Fourth Proportional to 120,369.26, 166,090.02 and 69,384.08

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Solution

The fourth proportional to 120,369.26, 166,090.02 and 69,384.08 is: 95,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,369.26 : 166,090.02 = 69,384.08 : x
  2. Step 2: Convert to fraction form
    120,369.26/166,090.02 = 69,384.08/x
  3. Step 3: Cross multiply
    120,369.26x = 166,090.02 × 69,384.08
  4. Step 4: Simplify right side
    120,369.26x = 11,524,003,234.88
  5. Step 5: Solve for x
    x = 11,524,003,234.88/120,369.26
  6. Step 6: Final answer
    x = 95,738.76

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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.