Home / 136,867.23-205,308.14-43,380.27

Finding the Fourth Proportional to 136,867.23, 205,308.14 and 43,380.27

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Solution

The fourth proportional to 136,867.23, 205,308.14 and 43,380.27 is: 65,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,867.23 : 205,308.14 = 43,380.27 : x
  2. Step 2: Convert to fraction form
    136,867.23/205,308.14 = 43,380.27/x
  3. Step 3: Cross multiply
    136,867.23x = 205,308.14 × 43,380.27
  4. Step 4: Simplify right side
    136,867.23x = 8,906,322,329.50
  5. Step 5: Solve for x
    x = 8,906,322,329.50/136,867.23
  6. Step 6: Final answer
    x = 65,072.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.