Home / 110,081.43-165,010.07-43,430.07

Finding the Fourth Proportional to 110,081.43, 165,010.07 and 43,430.07

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Solution

The fourth proportional to 110,081.43, 165,010.07 and 43,430.07 is: 65,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,081.43 : 165,010.07 = 43,430.07 : x
  2. Step 2: Convert to fraction form
    110,081.43/165,010.07 = 43,430.07/x
  3. Step 3: Cross multiply
    110,081.43x = 165,010.07 × 43,430.07
  4. Step 4: Simplify right side
    110,081.43x = 7,166,398,673.65
  5. Step 5: Solve for x
    x = 7,166,398,673.65/110,081.43
  6. Step 6: Final answer
    x = 65,100.89

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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.