Home / 120,726.75-166,610.47-67,012.66

Finding the Fourth Proportional to 120,726.75, 166,610.47 and 67,012.66

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Solution

The fourth proportional to 120,726.75, 166,610.47 and 67,012.66 is: 92,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.75 : 166,610.47 = 67,012.66 : x
  2. Step 2: Convert to fraction form
    120,726.75/166,610.47 = 67,012.66/x
  3. Step 3: Cross multiply
    120,726.75x = 166,610.47 × 67,012.66
  4. Step 4: Simplify right side
    120,726.75x = 11,165,010,476.34
  5. Step 5: Solve for x
    x = 11,165,010,476.34/120,726.75
  6. Step 6: Final answer
    x = 92,481.67

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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.