Home / 149,252.72-222,787.12-131,538.56

Finding the Fourth Proportional to 149,252.72, 222,787.12 and 131,538.56

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Solution

The fourth proportional to 149,252.72, 222,787.12 and 131,538.56 is: 196,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,252.72 : 222,787.12 = 131,538.56 : x
  2. Step 2: Convert to fraction form
    149,252.72/222,787.12 = 131,538.56/x
  3. Step 3: Cross multiply
    149,252.72x = 222,787.12 × 131,538.56
  4. Step 4: Simplify right side
    149,252.72x = 29,305,096,951.35
  5. Step 5: Solve for x
    x = 29,305,096,951.35/149,252.72
  6. Step 6: Final answer
    x = 196,345.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.