Home / 118,687.09-177,973.21-43,842.48

Finding the Fourth Proportional to 118,687.09, 177,973.21 and 43,842.48

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Solution

The fourth proportional to 118,687.09, 177,973.21 and 43,842.48 is: 65,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,687.09 : 177,973.21 = 43,842.48 : x
  2. Step 2: Convert to fraction form
    118,687.09/177,973.21 = 43,842.48/x
  3. Step 3: Cross multiply
    118,687.09x = 177,973.21 × 43,842.48
  4. Step 4: Simplify right side
    118,687.09x = 7,802,786,899.96
  5. Step 5: Solve for x
    x = 7,802,786,899.96/118,687.09
  6. Step 6: Final answer
    x = 65,742.51

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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.