Home / 120,500.28-166,252.38-69,506.16

Finding the Fourth Proportional to 120,500.28, 166,252.38 and 69,506.16

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Solution

The fourth proportional to 120,500.28, 166,252.38 and 69,506.16 is: 95,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,500.28 : 166,252.38 = 69,506.16 : x
  2. Step 2: Convert to fraction form
    120,500.28/166,252.38 = 69,506.16/x
  3. Step 3: Cross multiply
    120,500.28x = 166,252.38 × 69,506.16
  4. Step 4: Simplify right side
    120,500.28x = 11,555,564,524.66
  5. Step 5: Solve for x
    x = 11,555,564,524.66/120,500.28
  6. Step 6: Final answer
    x = 95,896.58

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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.