Home / 120,977.82-166,950.09-67,267.89

Finding the Fourth Proportional to 120,977.82, 166,950.09 and 67,267.89

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Solution

The fourth proportional to 120,977.82, 166,950.09 and 67,267.89 is: 92,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.82 : 166,950.09 = 67,267.89 : x
  2. Step 2: Convert to fraction form
    120,977.82/166,950.09 = 67,267.89/x
  3. Step 3: Cross multiply
    120,977.82x = 166,950.09 × 67,267.89
  4. Step 4: Simplify right side
    120,977.82x = 11,230,380,289.61
  5. Step 5: Solve for x
    x = 11,230,380,289.61/120,977.82
  6. Step 6: Final answer
    x = 92,830.08

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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.