Home / 215,913.06-297,960.54-120,425.94

Finding the Fourth Proportional to 215,913.06, 297,960.54 and 120,425.94

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Solution

The fourth proportional to 215,913.06, 297,960.54 and 120,425.94 is: 166,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,913.06 : 297,960.54 = 120,425.94 : x
  2. Step 2: Convert to fraction form
    215,913.06/297,960.54 = 120,425.94/x
  3. Step 3: Cross multiply
    215,913.06x = 297,960.54 × 120,425.94
  4. Step 4: Simplify right side
    215,913.06x = 35,882,178,112.41
  5. Step 5: Solve for x
    x = 35,882,178,112.41/215,913.06
  6. Step 6: Final answer
    x = 166,188.09

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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.