Home / 119,945.97-165,525.84-66,231.36

Finding the Fourth Proportional to 119,945.97, 165,525.84 and 66,231.36

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Solution

The fourth proportional to 119,945.97, 165,525.84 and 66,231.36 is: 91,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,945.97 : 165,525.84 = 66,231.36 : x
  2. Step 2: Convert to fraction form
    119,945.97/165,525.84 = 66,231.36/x
  3. Step 3: Cross multiply
    119,945.97x = 165,525.84 × 66,231.36
  4. Step 4: Simplify right side
    119,945.97x = 10,963,001,498.34
  5. Step 5: Solve for x
    x = 10,963,001,498.34/119,945.97
  6. Step 6: Final answer
    x = 91,399.50

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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.