Home / 251,280.72-346,773.96-138,106.44

Finding the Fourth Proportional to 251,280.72, 346,773.96 and 138,106.44

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Solution

The fourth proportional to 251,280.72, 346,773.96 and 138,106.44 is: 190,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,280.72 : 346,773.96 = 138,106.44 : x
  2. Step 2: Convert to fraction form
    251,280.72/346,773.96 = 138,106.44/x
  3. Step 3: Cross multiply
    251,280.72x = 346,773.96 × 138,106.44
  4. Step 4: Simplify right side
    251,280.72x = 47,891,717,100.30
  5. Step 5: Solve for x
    x = 47,891,717,100.30/251,280.72
  6. Step 6: Final answer
    x = 190,590.50

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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.