Home / 188,577.20-260,239.80-103,702.16

Finding the Fourth Proportional to 188,577.20, 260,239.80 and 103,702.16

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Solution

The fourth proportional to 188,577.20, 260,239.80 and 103,702.16 is: 143,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,577.20 : 260,239.80 = 103,702.16 : x
  2. Step 2: Convert to fraction form
    188,577.20/260,239.80 = 103,702.16/x
  3. Step 3: Cross multiply
    188,577.20x = 260,239.80 × 103,702.16
  4. Step 4: Simplify right side
    188,577.20x = 26,987,429,377.97
  5. Step 5: Solve for x
    x = 26,987,429,377.97/188,577.20
  6. Step 6: Final answer
    x = 143,110.78

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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.