Home / 251,012.72-346,399.44-143,576.12

Finding the Fourth Proportional to 251,012.72, 346,399.44 and 143,576.12

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Solution

The fourth proportional to 251,012.72, 346,399.44 and 143,576.12 is: 198,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012.72 : 346,399.44 = 143,576.12 : x
  2. Step 2: Convert to fraction form
    251,012.72/346,399.44 = 143,576.12/x
  3. Step 3: Cross multiply
    251,012.72x = 346,399.44 × 143,576.12
  4. Step 4: Simplify right side
    251,012.72x = 49,734,687,565.37
  5. Step 5: Solve for x
    x = 49,734,687,565.37/251,012.72
  6. Step 6: Final answer
    x = 198,136.12

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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.