Home / 117,009.30-161,471.82-66,022.41

Finding the Fourth Proportional to 117,009.30, 161,471.82 and 66,022.41

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Solution

The fourth proportional to 117,009.30, 161,471.82 and 66,022.41 is: 91,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.30 : 161,471.82 = 66,022.41 : x
  2. Step 2: Convert to fraction form
    117,009.30/161,471.82 = 66,022.41/x
  3. Step 3: Cross multiply
    117,009.30x = 161,471.82 × 66,022.41
  4. Step 4: Simplify right side
    117,009.30x = 10,660,758,703.49
  5. Step 5: Solve for x
    x = 10,660,758,703.49/117,009.30
  6. Step 6: Final answer
    x = 91,110.35

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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.