Home / 196,853.34-295,318.90-72,195.42

Finding the Fourth Proportional to 196,853.34, 295,318.90 and 72,195.42

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Solution

The fourth proportional to 196,853.34, 295,318.90 and 72,195.42 is: 108,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,853.34 : 295,318.90 = 72,195.42 : x
  2. Step 2: Convert to fraction form
    196,853.34/295,318.90 = 72,195.42/x
  3. Step 3: Cross multiply
    196,853.34x = 295,318.90 × 72,195.42
  4. Step 4: Simplify right side
    196,853.34x = 21,320,672,019.44
  5. Step 5: Solve for x
    x = 21,320,672,019.44/196,853.34
  6. Step 6: Final answer
    x = 108,307.39

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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.