Home / 120,780.49-166,692.46-73,034.18

Finding the Fourth Proportional to 120,780.49, 166,692.46 and 73,034.18

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Solution

The fourth proportional to 120,780.49, 166,692.46 and 73,034.18 is: 100,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,780.49 : 166,692.46 = 73,034.18 : x
  2. Step 2: Convert to fraction form
    120,780.49/166,692.46 = 73,034.18/x
  3. Step 3: Cross multiply
    120,780.49x = 166,692.46 × 73,034.18
  4. Step 4: Simplify right side
    120,780.49x = 12,174,247,137.68
  5. Step 5: Solve for x
    x = 12,174,247,137.68/120,780.49
  6. Step 6: Final answer
    x = 100,796.47

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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.