Home / 227,089.72-313,383.90-131,651.74

Finding the Fourth Proportional to 227,089.72, 313,383.90 and 131,651.74

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Solution

The fourth proportional to 227,089.72, 313,383.90 and 131,651.74 is: 181,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,089.72 : 313,383.90 = 131,651.74 : x
  2. Step 2: Convert to fraction form
    227,089.72/313,383.90 = 131,651.74/x
  3. Step 3: Cross multiply
    227,089.72x = 313,383.90 × 131,651.74
  4. Step 4: Simplify right side
    227,089.72x = 41,257,535,722.99
  5. Step 5: Solve for x
    x = 41,257,535,722.99/227,089.72
  6. Step 6: Final answer
    x = 181,679.45

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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.