Home / 120,320.92-166,040.88-66,604.80

Finding the Fourth Proportional to 120,320.92, 166,040.88 and 66,604.80

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Solution

The fourth proportional to 120,320.92, 166,040.88 and 66,604.80 is: 91,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,320.92 : 166,040.88 = 66,604.80 : x
  2. Step 2: Convert to fraction form
    120,320.92/166,040.88 = 66,604.80/x
  3. Step 3: Cross multiply
    120,320.92x = 166,040.88 × 66,604.80
  4. Step 4: Simplify right side
    120,320.92x = 11,059,119,604.22
  5. Step 5: Solve for x
    x = 11,059,119,604.22/120,320.92
  6. Step 6: Final answer
    x = 91,913.52

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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.