Home / 215,027.97-296,720.37-118,226.64

Finding the Fourth Proportional to 215,027.97, 296,720.37 and 118,226.64

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Solution

The fourth proportional to 215,027.97, 296,720.37 and 118,226.64 is: 163,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,027.97 : 296,720.37 = 118,226.64 : x
  2. Step 2: Convert to fraction form
    215,027.97/296,720.37 = 118,226.64/x
  3. Step 3: Cross multiply
    215,027.97x = 296,720.37 × 118,226.64
  4. Step 4: Simplify right side
    215,027.97x = 35,080,252,364.66
  5. Step 5: Solve for x
    x = 35,080,252,364.66/215,027.97
  6. Step 6: Final answer
    x = 163,142.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.