Home / 215,154.45-296,923.66-119,659.09

Finding the Fourth Proportional to 215,154.45, 296,923.66 and 119,659.09

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Solution

The fourth proportional to 215,154.45, 296,923.66 and 119,659.09 is: 165,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,154.45 : 296,923.66 = 119,659.09 : x
  2. Step 2: Convert to fraction form
    215,154.45/296,923.66 = 119,659.09/x
  3. Step 3: Cross multiply
    215,154.45x = 296,923.66 × 119,659.09
  4. Step 4: Simplify right side
    215,154.45x = 35,529,614,955.07
  5. Step 5: Solve for x
    x = 35,529,614,955.07/215,154.45
  6. Step 6: Final answer
    x = 165,135.39

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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.