Home / 251,009.25-346,395.20-137,834.43

Finding the Fourth Proportional to 251,009.25, 346,395.20 and 137,834.43

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Solution

The fourth proportional to 251,009.25, 346,395.20 and 137,834.43 is: 190,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,009.25 : 346,395.20 = 137,834.43 : x
  2. Step 2: Convert to fraction form
    251,009.25/346,395.20 = 137,834.43/x
  3. Step 3: Cross multiply
    251,009.25x = 346,395.20 × 137,834.43
  4. Step 4: Simplify right side
    251,009.25x = 47,745,184,257.56
  5. Step 5: Solve for x
    x = 47,745,184,257.56/251,009.25
  6. Step 6: Final answer
    x = 190,212.85

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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.