Home / 120,320.86-166,044.24-66,610.84

Finding the Fourth Proportional to 120,320.86, 166,044.24 and 66,610.84

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Solution

The fourth proportional to 120,320.86, 166,044.24 and 66,610.84 is: 91,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,320.86 : 166,044.24 = 66,610.84 : x
  2. Step 2: Convert to fraction form
    120,320.86/166,044.24 = 66,610.84/x
  3. Step 3: Cross multiply
    120,320.86x = 166,044.24 × 66,610.84
  4. Step 4: Simplify right side
    120,320.86x = 11,060,346,303.56
  5. Step 5: Solve for x
    x = 11,060,346,303.56/120,320.86
  6. Step 6: Final answer
    x = 91,923.76

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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.