Home / 251,100.72-346,465.08-149,160.56

Finding the Fourth Proportional to 251,100.72, 346,465.08 and 149,160.56

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Solution

The fourth proportional to 251,100.72, 346,465.08 and 149,160.56 is: 205,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,100.72 : 346,465.08 = 149,160.56 : x
  2. Step 2: Convert to fraction form
    251,100.72/346,465.08 = 149,160.56/x
  3. Step 3: Cross multiply
    251,100.72x = 346,465.08 × 149,160.56
  4. Step 4: Simplify right side
    251,100.72x = 51,678,923,620.92
  5. Step 5: Solve for x
    x = 51,678,923,620.92/251,100.72
  6. Step 6: Final answer
    x = 205,809.54

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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.