Home / 120,729.46-166,598.32-67,010.25

Finding the Fourth Proportional to 120,729.46, 166,598.32 and 67,010.25

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Solution

The fourth proportional to 120,729.46, 166,598.32 and 67,010.25 is: 92,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,729.46 : 166,598.32 = 67,010.25 : x
  2. Step 2: Convert to fraction form
    120,729.46/166,598.32 = 67,010.25/x
  3. Step 3: Cross multiply
    120,729.46x = 166,598.32 × 67,010.25
  4. Step 4: Simplify right side
    120,729.46x = 11,163,795,072.78
  5. Step 5: Solve for x
    x = 11,163,795,072.78/120,729.46
  6. Step 6: Final answer
    x = 92,469.52

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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.