Home / 117,195.27-161,729.40-63,480.15

Finding the Fourth Proportional to 117,195.27, 161,729.40 and 63,480.15

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Solution

The fourth proportional to 117,195.27, 161,729.40 and 63,480.15 is: 87,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,195.27 : 161,729.40 = 63,480.15 : x
  2. Step 2: Convert to fraction form
    117,195.27/161,729.40 = 63,480.15/x
  3. Step 3: Cross multiply
    117,195.27x = 161,729.40 × 63,480.15
  4. Step 4: Simplify right side
    117,195.27x = 10,266,606,571.41
  5. Step 5: Solve for x
    x = 10,266,606,571.41/117,195.27
  6. Step 6: Final answer
    x = 87,602.57

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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.