Home / 215,171.38-296,932.37-118,369.58

Finding the Fourth Proportional to 215,171.38, 296,932.37 and 118,369.58

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Solution

The fourth proportional to 215,171.38, 296,932.37 and 118,369.58 is: 163,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,171.38 : 296,932.37 = 118,369.58 : x
  2. Step 2: Convert to fraction form
    215,171.38/296,932.37 = 118,369.58/x
  3. Step 3: Cross multiply
    215,171.38x = 296,932.37 × 118,369.58
  4. Step 4: Simplify right side
    215,171.38x = 35,147,757,848.79
  5. Step 5: Solve for x
    x = 35,147,757,848.79/215,171.38
  6. Step 6: Final answer
    x = 163,347.74

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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.