Home / 120,843.90-181,330.65-50,730.30

Finding the Fourth Proportional to 120,843.90, 181,330.65 and 50,730.30

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Solution

The fourth proportional to 120,843.90, 181,330.65 and 50,730.30 is: 76,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,843.90 : 181,330.65 = 50,730.30 : x
  2. Step 2: Convert to fraction form
    120,843.90/181,330.65 = 50,730.30/x
  3. Step 3: Cross multiply
    120,843.90x = 181,330.65 × 50,730.30
  4. Step 4: Simplify right side
    120,843.90x = 9,198,958,273.70
  5. Step 5: Solve for x
    x = 9,198,958,273.70/120,843.90
  6. Step 6: Final answer
    x = 76,122.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.