Home / 165,789.99-248,513.67-76,971.06

Finding the Fourth Proportional to 165,789.99, 248,513.67 and 76,971.06

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Solution

The fourth proportional to 165,789.99, 248,513.67 and 76,971.06 is: 115,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,789.99 : 248,513.67 = 76,971.06 : x
  2. Step 2: Convert to fraction form
    165,789.99/248,513.67 = 76,971.06/x
  3. Step 3: Cross multiply
    165,789.99x = 248,513.67 × 76,971.06
  4. Step 4: Simplify right side
    165,789.99x = 19,128,360,604.39
  5. Step 5: Solve for x
    x = 19,128,360,604.39/165,789.99
  6. Step 6: Final answer
    x = 115,377.05

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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.