Home / 120,853.26-181,279.96-45,956.12

Finding the Fourth Proportional to 120,853.26, 181,279.96 and 45,956.12

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Solution

The fourth proportional to 120,853.26, 181,279.96 and 45,956.12 is: 68,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,853.26 : 181,279.96 = 45,956.12 : x
  2. Step 2: Convert to fraction form
    120,853.26/181,279.96 = 45,956.12/x
  3. Step 3: Cross multiply
    120,853.26x = 181,279.96 × 45,956.12
  4. Step 4: Simplify right side
    120,853.26x = 8,330,923,595.36
  5. Step 5: Solve for x
    x = 8,330,923,595.36/120,853.26
  6. Step 6: Final answer
    x = 68,934.21

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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.