Home / 120,714.82-166,594.24-66,999.84

Finding the Fourth Proportional to 120,714.82, 166,594.24 and 66,999.84

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Solution

The fourth proportional to 120,714.82, 166,594.24 and 66,999.84 is: 92,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,714.82 : 166,594.24 = 66,999.84 : x
  2. Step 2: Convert to fraction form
    120,714.82/166,594.24 = 66,999.84/x
  3. Step 3: Cross multiply
    120,714.82x = 166,594.24 × 66,999.84
  4. Step 4: Simplify right side
    120,714.82x = 11,161,787,424.92
  5. Step 5: Solve for x
    x = 11,161,787,424.92/120,714.82
  6. Step 6: Final answer
    x = 92,464.10

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1.5x scale

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.