Home / 120,671.40-166,523.97-66,955.26

Finding the Fourth Proportional to 120,671.40, 166,523.97 and 66,955.26

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Solution

The fourth proportional to 120,671.40, 166,523.97 and 66,955.26 is: 92,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,671.40 : 166,523.97 = 66,955.26 : x
  2. Step 2: Convert to fraction form
    120,671.40/166,523.97 = 66,955.26/x
  3. Step 3: Cross multiply
    120,671.40x = 166,523.97 × 66,955.26
  4. Step 4: Simplify right side
    120,671.40x = 11,149,655,707.58
  5. Step 5: Solve for x
    x = 11,149,655,707.58/120,671.40
  6. Step 6: Final answer
    x = 92,396.84

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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.