Home / 268,958.37-371,147.86-148,076.70

Finding the Fourth Proportional to 268,958.37, 371,147.86 and 148,076.70

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Solution

The fourth proportional to 268,958.37, 371,147.86 and 148,076.70 is: 204,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,958.37 : 371,147.86 = 148,076.70 : x
  2. Step 2: Convert to fraction form
    268,958.37/371,147.86 = 148,076.70/x
  3. Step 3: Cross multiply
    268,958.37x = 371,147.86 × 148,076.70
  4. Step 4: Simplify right side
    268,958.37x = 54,958,349,580.48
  5. Step 5: Solve for x
    x = 54,958,349,580.48/268,958.37
  6. Step 6: Final answer
    x = 204,337.76

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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.