Home / 106,419.42-146,884.39-63,969.75

Finding the Fourth Proportional to 106,419.42, 146,884.39 and 63,969.75

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Solution

The fourth proportional to 106,419.42, 146,884.39 and 63,969.75 is: 88,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,419.42 : 146,884.39 = 63,969.75 : x
  2. Step 2: Convert to fraction form
    106,419.42/146,884.39 = 63,969.75/x
  3. Step 3: Cross multiply
    106,419.42x = 146,884.39 × 63,969.75
  4. Step 4: Simplify right side
    106,419.42x = 9,396,157,547.28
  5. Step 5: Solve for x
    x = 9,396,157,547.28/106,419.42
  6. Step 6: Final answer
    x = 88,293.64

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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.