Home / 125,815.08-188,755.44-46,930

Finding the Fourth Proportional to 125,815.08, 188,755.44 and 46,930

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Solution

The fourth proportional to 125,815.08, 188,755.44 and 46,930 is: 70,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,815.08 : 188,755.44 = 46,930 : x
  2. Step 2: Convert to fraction form
    125,815.08/188,755.44 = 46,930/x
  3. Step 3: Cross multiply
    125,815.08x = 188,755.44 × 46,930
  4. Step 4: Simplify right side
    125,815.08x = 8,858,292,799.20
  5. Step 5: Solve for x
    x = 8,858,292,799.20/125,815.08
  6. Step 6: Final answer
    x = 70,407.24

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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.