Home / 142,676.48-196,895.58-82,246.03

Finding the Fourth Proportional to 142,676.48, 196,895.58 and 82,246.03

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Solution

The fourth proportional to 142,676.48, 196,895.58 and 82,246.03 is: 113,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,676.48 : 196,895.58 = 82,246.03 : x
  2. Step 2: Convert to fraction form
    142,676.48/196,895.58 = 82,246.03/x
  3. Step 3: Cross multiply
    142,676.48x = 196,895.58 × 82,246.03
  4. Step 4: Simplify right side
    142,676.48x = 16,193,879,287.31
  5. Step 5: Solve for x
    x = 16,193,879,287.31/142,676.48
  6. Step 6: Final answer
    x = 113,500.69

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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.