Home / 120,344.94-166,077.36-66,634.92

Finding the Fourth Proportional to 120,344.94, 166,077.36 and 66,634.92

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Solution

The fourth proportional to 120,344.94, 166,077.36 and 66,634.92 is: 91,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,344.94 : 166,077.36 = 66,634.92 : x
  2. Step 2: Convert to fraction form
    120,344.94/166,077.36 = 66,634.92/x
  3. Step 3: Cross multiply
    120,344.94x = 166,077.36 × 66,634.92
  4. Step 4: Simplify right side
    120,344.94x = 11,066,551,597.41
  5. Step 5: Solve for x
    x = 11,066,551,597.41/120,344.94
  6. Step 6: Final answer
    x = 91,956.93

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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.