Home / 120,451.52-166,246.38-69,497.18

Finding the Fourth Proportional to 120,451.52, 166,246.38 and 69,497.18

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Solution

The fourth proportional to 120,451.52, 166,246.38 and 69,497.18 is: 95,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,451.52 : 166,246.38 = 69,497.18 : x
  2. Step 2: Convert to fraction form
    120,451.52/166,246.38 = 69,497.18/x
  3. Step 3: Cross multiply
    120,451.52x = 166,246.38 × 69,497.18
  4. Step 4: Simplify right side
    120,451.52x = 11,553,654,595.21
  5. Step 5: Solve for x
    x = 11,553,654,595.21/120,451.52
  6. Step 6: Final answer
    x = 95,919.54

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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.