Home / 251,004.30-346,383.99-137,826.78

Finding the Fourth Proportional to 251,004.30, 346,383.99 and 137,826.78

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Solution

The fourth proportional to 251,004.30, 346,383.99 and 137,826.78 is: 190,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,004.30 : 346,383.99 = 137,826.78 : x
  2. Step 2: Convert to fraction form
    251,004.30/346,383.99 = 137,826.78/x
  3. Step 3: Cross multiply
    251,004.30x = 346,383.99 × 137,826.78
  4. Step 4: Simplify right side
    251,004.30x = 47,740,989,985.25
  5. Step 5: Solve for x
    x = 47,740,989,985.25/251,004.30
  6. Step 6: Final answer
    x = 190,199.89

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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.