Home / 120,699.91-166,576.26-66,995.29

Finding the Fourth Proportional to 120,699.91, 166,576.26 and 66,995.29

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Solution

The fourth proportional to 120,699.91, 166,576.26 and 66,995.29 is: 92,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,699.91 : 166,576.26 = 66,995.29 : x
  2. Step 2: Convert to fraction form
    120,699.91/166,576.26 = 66,995.29/x
  3. Step 3: Cross multiply
    120,699.91x = 166,576.26 × 66,995.29
  4. Step 4: Simplify right side
    120,699.91x = 11,159,824,845.82
  5. Step 5: Solve for x
    x = 11,159,824,845.82/120,699.91
  6. Step 6: Final answer
    x = 92,459.26

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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.