Home / 251,439.20-346,986.08-138,261.92

Finding the Fourth Proportional to 251,439.20, 346,986.08 and 138,261.92

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Solution

The fourth proportional to 251,439.20, 346,986.08 and 138,261.92 is: 190,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,439.20 : 346,986.08 = 138,261.92 : x
  2. Step 2: Convert to fraction form
    251,439.20/346,986.08 = 138,261.92/x
  3. Step 3: Cross multiply
    251,439.20x = 346,986.08 × 138,261.92
  4. Step 4: Simplify right side
    251,439.20x = 47,974,961,634.07
  5. Step 5: Solve for x
    x = 47,974,961,634.07/251,439.20
  6. Step 6: Final answer
    x = 190,801.44

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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.