Home / 120,620.01-166,454.39-66,904.86

Finding the Fourth Proportional to 120,620.01, 166,454.39 and 66,904.86

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Solution

The fourth proportional to 120,620.01, 166,454.39 and 66,904.86 is: 92,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,620.01 : 166,454.39 = 66,904.86 : x
  2. Step 2: Convert to fraction form
    120,620.01/166,454.39 = 66,904.86/x
  3. Step 3: Cross multiply
    120,620.01x = 166,454.39 × 66,904.86
  4. Step 4: Simplify right side
    120,620.01x = 11,136,607,659.34
  5. Step 5: Solve for x
    x = 11,136,607,659.34/120,620.01
  6. Step 6: Final answer
    x = 92,328.03

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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.