Home / 120,837.40-181,320.90-50,723.80

Finding the Fourth Proportional to 120,837.40, 181,320.90 and 50,723.80

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Solution

The fourth proportional to 120,837.40, 181,320.90 and 50,723.80 is: 76,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.40 : 181,320.90 = 50,723.80 : x
  2. Step 2: Convert to fraction form
    120,837.40/181,320.90 = 50,723.80/x
  3. Step 3: Cross multiply
    120,837.40x = 181,320.90 × 50,723.80
  4. Step 4: Simplify right side
    120,837.40x = 9,197,285,067.42
  5. Step 5: Solve for x
    x = 9,197,285,067.42/120,837.40
  6. Step 6: Final answer
    x = 76,112.90

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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.