Home / 121,027.26-181,540.86-36,788.10

Finding the Fourth Proportional to 121,027.26, 181,540.86 and 36,788.10

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Solution

The fourth proportional to 121,027.26, 181,540.86 and 36,788.10 is: 55,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,027.26 : 181,540.86 = 36,788.10 : x
  2. Step 2: Convert to fraction form
    121,027.26/181,540.86 = 36,788.10/x
  3. Step 3: Cross multiply
    121,027.26x = 181,540.86 × 36,788.10
  4. Step 4: Simplify right side
    121,027.26x = 6,678,543,311.77
  5. Step 5: Solve for x
    x = 6,678,543,311.77/121,027.26
  6. Step 6: Final answer
    x = 55,182.14

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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.