Home / 240,370.72-331,709.90-132,936.78

Finding the Fourth Proportional to 240,370.72, 331,709.90 and 132,936.78

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Solution

The fourth proportional to 240,370.72, 331,709.90 and 132,936.78 is: 183,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,370.72 : 331,709.90 = 132,936.78 : x
  2. Step 2: Convert to fraction form
    240,370.72/331,709.90 = 132,936.78/x
  3. Step 3: Cross multiply
    240,370.72x = 331,709.90 × 132,936.78
  4. Step 4: Simplify right side
    240,370.72x = 44,096,446,000.12
  5. Step 5: Solve for x
    x = 44,096,446,000.12/240,370.72
  6. Step 6: Final answer
    x = 183,451.82

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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.