Home / 120,848.60-166,765.41-67,136.89

Finding the Fourth Proportional to 120,848.60, 166,765.41 and 67,136.89

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Solution

The fourth proportional to 120,848.60, 166,765.41 and 67,136.89 is: 92,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.60 : 166,765.41 = 67,136.89 : x
  2. Step 2: Convert to fraction form
    120,848.60/166,765.41 = 67,136.89/x
  3. Step 3: Cross multiply
    120,848.60x = 166,765.41 × 67,136.89
  4. Step 4: Simplify right side
    120,848.60x = 11,196,110,986.97
  5. Step 5: Solve for x
    x = 11,196,110,986.97/120,848.60
  6. Step 6: Final answer
    x = 92,645.76

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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.