Home / 227,122.20-313,435.76-130,343.76

Finding the Fourth Proportional to 227,122.20, 313,435.76 and 130,343.76

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Solution

The fourth proportional to 227,122.20, 313,435.76 and 130,343.76 is: 179,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,122.20 : 313,435.76 = 130,343.76 : x
  2. Step 2: Convert to fraction form
    227,122.20/313,435.76 = 130,343.76/x
  3. Step 3: Cross multiply
    227,122.20x = 313,435.76 × 130,343.76
  4. Step 4: Simplify right side
    227,122.20x = 40,854,394,825.14
  5. Step 5: Solve for x
    x = 40,854,394,825.14/227,122.20
  6. Step 6: Final answer
    x = 179,878.47

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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.