Home / 117,022.86-161,451.43-66,029.31

Finding the Fourth Proportional to 117,022.86, 161,451.43 and 66,029.31

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Solution

The fourth proportional to 117,022.86, 161,451.43 and 66,029.31 is: 91,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.86 : 161,451.43 = 66,029.31 : x
  2. Step 2: Convert to fraction form
    117,022.86/161,451.43 = 66,029.31/x
  3. Step 3: Cross multiply
    117,022.86x = 161,451.43 × 66,029.31
  4. Step 4: Simplify right side
    117,022.86x = 10,660,526,356.34
  5. Step 5: Solve for x
    x = 10,660,526,356.34/117,022.86
  6. Step 6: Final answer
    x = 91,097.81

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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.