Home / 208,579.14-287,844.88-117,948.66

Finding the Fourth Proportional to 208,579.14, 287,844.88 and 117,948.66

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Solution

The fourth proportional to 208,579.14, 287,844.88 and 117,948.66 is: 162,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,579.14 : 287,844.88 = 117,948.66 : x
  2. Step 2: Convert to fraction form
    208,579.14/287,844.88 = 117,948.66/x
  3. Step 3: Cross multiply
    208,579.14x = 287,844.88 × 117,948.66
  4. Step 4: Simplify right side
    208,579.14x = 33,950,917,883.86
  5. Step 5: Solve for x
    x = 33,950,917,883.86/208,579.14
  6. Step 6: Final answer
    x = 162,772.36

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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.