Home / 120,424.62-166,195.35-66,714.60

Finding the Fourth Proportional to 120,424.62, 166,195.35 and 66,714.60

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Solution

The fourth proportional to 120,424.62, 166,195.35 and 66,714.60 is: 92,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424.62 : 166,195.35 = 66,714.60 : x
  2. Step 2: Convert to fraction form
    120,424.62/166,195.35 = 66,714.60/x
  3. Step 3: Cross multiply
    120,424.62x = 166,195.35 × 66,714.60
  4. Step 4: Simplify right side
    120,424.62x = 11,087,656,297.11
  5. Step 5: Solve for x
    x = 11,087,656,297.11/120,424.62
  6. Step 6: Final answer
    x = 92,071.34

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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.