Home / 117,707.40-162,439.41-63,996.12

Finding the Fourth Proportional to 117,707.40, 162,439.41 and 63,996.12

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Solution

The fourth proportional to 117,707.40, 162,439.41 and 63,996.12 is: 88,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,707.40 : 162,439.41 = 63,996.12 : x
  2. Step 2: Convert to fraction form
    117,707.40/162,439.41 = 63,996.12/x
  3. Step 3: Cross multiply
    117,707.40x = 162,439.41 × 63,996.12
  4. Step 4: Simplify right side
    117,707.40x = 10,395,491,975.09
  5. Step 5: Solve for x
    x = 10,395,491,975.09/117,707.40
  6. Step 6: Final answer
    x = 88,316.38

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1.5x scale

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.