Home / 120,453.02-166,226.49-66,738.88

Finding the Fourth Proportional to 120,453.02, 166,226.49 and 66,738.88

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Solution

The fourth proportional to 120,453.02, 166,226.49 and 66,738.88 is: 92,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,453.02 : 166,226.49 = 66,738.88 : x
  2. Step 2: Convert to fraction form
    120,453.02/166,226.49 = 66,738.88/x
  3. Step 3: Cross multiply
    120,453.02x = 166,226.49 × 66,738.88
  4. Step 4: Simplify right side
    120,453.02x = 11,093,769,768.93
  5. Step 5: Solve for x
    x = 11,093,769,768.93/120,453.02
  6. Step 6: Final answer
    x = 92,100.39

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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.