Home / 165,764.86-248,647.08-76,969.82

Finding the Fourth Proportional to 165,764.86, 248,647.08 and 76,969.82

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Solution

The fourth proportional to 165,764.86, 248,647.08 and 76,969.82 is: 115,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,764.86 : 248,647.08 = 76,969.82 : x
  2. Step 2: Convert to fraction form
    165,764.86/248,647.08 = 76,969.82/x
  3. Step 3: Cross multiply
    165,764.86x = 248,647.08 × 76,969.82
  4. Step 4: Simplify right side
    165,764.86x = 19,138,320,991.13
  5. Step 5: Solve for x
    x = 19,138,320,991.13/165,764.86
  6. Step 6: Final answer
    x = 115,454.63

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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.