Home / 117,699.36-162,497.79-80,968.29

Finding the Fourth Proportional to 117,699.36, 162,497.79 and 80,968.29

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Solution

The fourth proportional to 117,699.36, 162,497.79 and 80,968.29 is: 111,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.36 : 162,497.79 = 80,968.29 : x
  2. Step 2: Convert to fraction form
    117,699.36/162,497.79 = 80,968.29/x
  3. Step 3: Cross multiply
    117,699.36x = 162,497.79 × 80,968.29
  4. Step 4: Simplify right side
    117,699.36x = 13,157,168,185.08
  5. Step 5: Solve for x
    x = 13,157,168,185.08/117,699.36
  6. Step 6: Final answer
    x = 111,786.23

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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.