Home / 215,162.22-296,934.39-119,666.88

Finding the Fourth Proportional to 215,162.22, 296,934.39 and 119,666.88

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Solution

The fourth proportional to 215,162.22, 296,934.39 and 119,666.88 is: 165,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,162.22 : 296,934.39 = 119,666.88 : x
  2. Step 2: Convert to fraction form
    215,162.22/296,934.39 = 119,666.88/x
  3. Step 3: Cross multiply
    215,162.22x = 296,934.39 × 119,666.88
  4. Step 4: Simplify right side
    215,162.22x = 35,533,212,016.00
  5. Step 5: Solve for x
    x = 35,533,212,016.00/215,162.22
  6. Step 6: Final answer
    x = 165,146.15

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1.5x scale

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.