Home / 120,551.58-166,365.03-66,841.59

Finding the Fourth Proportional to 120,551.58, 166,365.03 and 66,841.59

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Solution

The fourth proportional to 120,551.58, 166,365.03 and 66,841.59 is: 92,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,551.58 : 166,365.03 = 66,841.59 : x
  2. Step 2: Convert to fraction form
    120,551.58/166,365.03 = 66,841.59/x
  3. Step 3: Cross multiply
    120,551.58x = 166,365.03 × 66,841.59
  4. Step 4: Simplify right side
    120,551.58x = 11,120,103,125.60
  5. Step 5: Solve for x
    x = 11,120,103,125.60/120,551.58
  6. Step 6: Final answer
    x = 92,243.53

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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.