Home / 251,290.90-376,395.07-117,971.38

Finding the Fourth Proportional to 251,290.90, 376,395.07 and 117,971.38

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Solution

The fourth proportional to 251,290.90, 376,395.07 and 117,971.38 is: 176,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,290.90 : 376,395.07 = 117,971.38 : x
  2. Step 2: Convert to fraction form
    251,290.90/376,395.07 = 117,971.38/x
  3. Step 3: Cross multiply
    251,290.90x = 376,395.07 × 117,971.38
  4. Step 4: Simplify right side
    251,290.90x = 44,403,845,833.10
  5. Step 5: Solve for x
    x = 44,403,845,833.10/251,290.90
  6. Step 6: Final answer
    x = 176,702.96

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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.