Home / 251,145.62-346,579.53-137,965.94

Finding the Fourth Proportional to 251,145.62, 346,579.53 and 137,965.94

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Solution

The fourth proportional to 251,145.62, 346,579.53 and 137,965.94 is: 190,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,145.62 : 346,579.53 = 137,965.94 : x
  2. Step 2: Convert to fraction form
    251,145.62/346,579.53 = 137,965.94/x
  3. Step 3: Cross multiply
    251,145.62x = 346,579.53 × 137,965.94
  4. Step 4: Simplify right side
    251,145.62x = 47,816,170,641.21
  5. Step 5: Solve for x
    x = 47,816,170,641.21/251,145.62
  6. Step 6: Final answer
    x = 190,392.21

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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.