Home / 120,451.94-166,221.52-66,735.88

Finding the Fourth Proportional to 120,451.94, 166,221.52 and 66,735.88

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Solution

The fourth proportional to 120,451.94, 166,221.52 and 66,735.88 is: 92,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,451.94 : 166,221.52 = 66,735.88 : x
  2. Step 2: Convert to fraction form
    120,451.94/166,221.52 = 66,735.88/x
  3. Step 3: Cross multiply
    120,451.94x = 166,221.52 × 66,735.88
  4. Step 4: Simplify right side
    120,451.94x = 11,092,939,412.14
  5. Step 5: Solve for x
    x = 11,092,939,412.14/120,451.94
  6. Step 6: Final answer
    x = 92,094.32

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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.