Home / 120,600.85-166,439.39-66,903.16

Finding the Fourth Proportional to 120,600.85, 166,439.39 and 66,903.16

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Solution

The fourth proportional to 120,600.85, 166,439.39 and 66,903.16 is: 92,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,600.85 : 166,439.39 = 66,903.16 : x
  2. Step 2: Convert to fraction form
    120,600.85/166,439.39 = 66,903.16/x
  3. Step 3: Cross multiply
    120,600.85x = 166,439.39 × 66,903.16
  4. Step 4: Simplify right side
    120,600.85x = 11,135,321,139.47
  5. Step 5: Solve for x
    x = 11,135,321,139.47/120,600.85
  6. Step 6: Final answer
    x = 92,332.03

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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.