Home / 197,112.30-295,506.45-84,878.70

Finding the Fourth Proportional to 197,112.30, 295,506.45 and 84,878.70

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Solution

The fourth proportional to 197,112.30, 295,506.45 and 84,878.70 is: 127,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,112.30 : 295,506.45 = 84,878.70 : x
  2. Step 2: Convert to fraction form
    197,112.30/295,506.45 = 84,878.70/x
  3. Step 3: Cross multiply
    197,112.30x = 295,506.45 × 84,878.70
  4. Step 4: Simplify right side
    197,112.30x = 25,082,203,317.62
  5. Step 5: Solve for x
    x = 25,082,203,317.62/197,112.30
  6. Step 6: Final answer
    x = 127,248.29

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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.