Home / 143,367.74-197,825.78-82,104.40

Finding the Fourth Proportional to 143,367.74, 197,825.78 and 82,104.40

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Solution

The fourth proportional to 143,367.74, 197,825.78 and 82,104.40 is: 113,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,367.74 : 197,825.78 = 82,104.40 : x
  2. Step 2: Convert to fraction form
    143,367.74/197,825.78 = 82,104.40/x
  3. Step 3: Cross multiply
    143,367.74x = 197,825.78 × 82,104.40
  4. Step 4: Simplify right side
    143,367.74x = 16,242,366,962.14
  5. Step 5: Solve for x
    x = 16,242,366,962.14/143,367.74
  6. Step 6: Final answer
    x = 113,291.64

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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.