Home / 120,424.03-166,185.16-66,712.52

Finding the Fourth Proportional to 120,424.03, 166,185.16 and 66,712.52

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Solution

The fourth proportional to 120,424.03, 166,185.16 and 66,712.52 is: 92,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424.03 : 166,185.16 = 66,712.52 : x
  2. Step 2: Convert to fraction form
    120,424.03/166,185.16 = 66,712.52/x
  3. Step 3: Cross multiply
    120,424.03x = 166,185.16 × 66,712.52
  4. Step 4: Simplify right side
    120,424.03x = 11,086,630,810.20
  5. Step 5: Solve for x
    x = 11,086,630,810.20/120,424.03
  6. Step 6: Final answer
    x = 92,063.28

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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.