Home / 143,046.03-214,710.29-107,383.35

Finding the Fourth Proportional to 143,046.03, 214,710.29 and 107,383.35

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Solution

The fourth proportional to 143,046.03, 214,710.29 and 107,383.35 is: 161,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,046.03 : 214,710.29 = 107,383.35 : x
  2. Step 2: Convert to fraction form
    143,046.03/214,710.29 = 107,383.35/x
  3. Step 3: Cross multiply
    143,046.03x = 214,710.29 × 107,383.35
  4. Step 4: Simplify right side
    143,046.03x = 23,056,310,219.67
  5. Step 5: Solve for x
    x = 23,056,310,219.67/143,046.03
  6. Step 6: Final answer
    x = 161,181.06

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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.