Home / 241,213.64-361,565.08-81,137.18

Finding the Fourth Proportional to 241,213.64, 361,565.08 and 81,137.18

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Solution

The fourth proportional to 241,213.64, 361,565.08 and 81,137.18 is: 121,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,213.64 : 361,565.08 = 81,137.18 : x
  2. Step 2: Convert to fraction form
    241,213.64/361,565.08 = 81,137.18/x
  3. Step 3: Cross multiply
    241,213.64x = 361,565.08 × 81,137.18
  4. Step 4: Simplify right side
    241,213.64x = 29,336,370,977.67
  5. Step 5: Solve for x
    x = 29,336,370,977.67/241,213.64
  6. Step 6: Final answer
    x = 121,619.87

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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.