Home / 142,590.20-196,795.22-82,149.08

Finding the Fourth Proportional to 142,590.20, 196,795.22 and 82,149.08

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Solution

The fourth proportional to 142,590.20, 196,795.22 and 82,149.08 is: 113,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,590.20 : 196,795.22 = 82,149.08 : x
  2. Step 2: Convert to fraction form
    142,590.20/196,795.22 = 82,149.08/x
  3. Step 3: Cross multiply
    142,590.20x = 196,795.22 × 82,149.08
  4. Step 4: Simplify right side
    142,590.20x = 16,166,546,271.40
  5. Step 5: Solve for x
    x = 16,166,546,271.40/142,590.20
  6. Step 6: Final answer
    x = 113,377.68

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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.