Home / 120,521.44-166,320.98-66,807.37

Finding the Fourth Proportional to 120,521.44, 166,320.98 and 66,807.37

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Solution

The fourth proportional to 120,521.44, 166,320.98 and 66,807.37 is: 92,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,521.44 : 166,320.98 = 66,807.37 : x
  2. Step 2: Convert to fraction form
    120,521.44/166,320.98 = 66,807.37/x
  3. Step 3: Cross multiply
    120,521.44x = 166,320.98 × 66,807.37
  4. Step 4: Simplify right side
    120,521.44x = 11,111,467,249.62
  5. Step 5: Solve for x
    x = 11,111,467,249.62/120,521.44
  6. Step 6: Final answer
    x = 92,194.94

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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.