Home / 251,197.42-346,632.32-143,742.82

Finding the Fourth Proportional to 251,197.42, 346,632.32 and 143,742.82

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Solution

The fourth proportional to 251,197.42, 346,632.32 and 143,742.82 is: 198,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,197.42 : 346,632.32 = 143,742.82 : x
  2. Step 2: Convert to fraction form
    251,197.42/346,632.32 = 143,742.82/x
  3. Step 3: Cross multiply
    251,197.42x = 346,632.32 × 143,742.82
  4. Step 4: Simplify right side
    251,197.42x = 49,825,907,179.94
  5. Step 5: Solve for x
    x = 49,825,907,179.94/251,197.42
  6. Step 6: Final answer
    x = 198,353.58

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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.