Home / 150,890.79-227,238.89-137,438.92

Finding the Fourth Proportional to 150,890.79, 227,238.89 and 137,438.92

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Solution

The fourth proportional to 150,890.79, 227,238.89 and 137,438.92 is: 206,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,890.79 : 227,238.89 = 137,438.92 : x
  2. Step 2: Convert to fraction form
    150,890.79/227,238.89 = 137,438.92/x
  3. Step 3: Cross multiply
    150,890.79x = 227,238.89 × 137,438.92
  4. Step 4: Simplify right side
    150,890.79x = 31,231,467,623.60
  5. Step 5: Solve for x
    x = 31,231,467,623.60/150,890.79
  6. Step 6: Final answer
    x = 206,980.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.