Home / 165,764.36-248,646.33-76,969.32

Finding the Fourth Proportional to 165,764.36, 248,646.33 and 76,969.32

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Solution

The fourth proportional to 165,764.36, 248,646.33 and 76,969.32 is: 115,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,764.36 : 248,646.33 = 76,969.32 : x
  2. Step 2: Convert to fraction form
    165,764.36/248,646.33 = 76,969.32/x
  3. Step 3: Cross multiply
    165,764.36x = 248,646.33 × 76,969.32
  4. Step 4: Simplify right side
    165,764.36x = 19,138,138,940.60
  5. Step 5: Solve for x
    x = 19,138,138,940.60/165,764.36
  6. Step 6: Final answer
    x = 115,453.89

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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.