Home / 251,067.90-376,281.55-117,654.22

Finding the Fourth Proportional to 251,067.90, 376,281.55 and 117,654.22

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Solution

The fourth proportional to 251,067.90, 376,281.55 and 117,654.22 is: 176,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,067.90 : 376,281.55 = 117,654.22 : x
  2. Step 2: Convert to fraction form
    251,067.90/376,281.55 = 117,654.22/x
  3. Step 3: Cross multiply
    251,067.90x = 376,281.55 × 117,654.22
  4. Step 4: Simplify right side
    251,067.90x = 44,271,112,883.06
  5. Step 5: Solve for x
    x = 44,271,112,883.06/251,067.90
  6. Step 6: Final answer
    x = 176,331.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.