Home / 251,038.22-346,434.99-137,861.78

Finding the Fourth Proportional to 251,038.22, 346,434.99 and 137,861.78

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Solution

The fourth proportional to 251,038.22, 346,434.99 and 137,861.78 is: 190,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,038.22 : 346,434.99 = 137,861.78 : x
  2. Step 2: Convert to fraction form
    251,038.22/346,434.99 = 137,861.78/x
  3. Step 3: Cross multiply
    251,038.22x = 346,434.99 × 137,861.78
  4. Step 4: Simplify right side
    251,038.22x = 47,760,144,375.68
  5. Step 5: Solve for x
    x = 47,760,144,375.68/251,038.22
  6. Step 6: Final answer
    x = 190,250.49

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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.