Home / 120,919.41-181,379.54-36,680.30

Finding the Fourth Proportional to 120,919.41, 181,379.54 and 36,680.30

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Solution

The fourth proportional to 120,919.41, 181,379.54 and 36,680.30 is: 55,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,919.41 : 181,379.54 = 36,680.30 : x
  2. Step 2: Convert to fraction form
    120,919.41/181,379.54 = 36,680.30/x
  3. Step 3: Cross multiply
    120,919.41x = 181,379.54 × 36,680.30
  4. Step 4: Simplify right side
    120,919.41x = 6,653,055,806.04
  5. Step 5: Solve for x
    x = 6,653,055,806.04/120,919.41
  6. Step 6: Final answer
    x = 55,020.58

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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.