Home / 120,714.61-166,582.96-66,998.24

Finding the Fourth Proportional to 120,714.61, 166,582.96 and 66,998.24

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Solution

The fourth proportional to 120,714.61, 166,582.96 and 66,998.24 is: 92,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,714.61 : 166,582.96 = 66,998.24 : x
  2. Step 2: Convert to fraction form
    120,714.61/166,582.96 = 66,998.24/x
  3. Step 3: Cross multiply
    120,714.61x = 166,582.96 × 66,998.24
  4. Step 4: Simplify right side
    120,714.61x = 11,160,765,133.99
  5. Step 5: Solve for x
    x = 11,160,765,133.99/120,714.61
  6. Step 6: Final answer
    x = 92,455.79

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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.