Home / 143,291.39-214,968.14-43,459.25

Finding the Fourth Proportional to 143,291.39, 214,968.14 and 43,459.25

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Solution

The fourth proportional to 143,291.39, 214,968.14 and 43,459.25 is: 65,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,291.39 : 214,968.14 = 43,459.25 : x
  2. Step 2: Convert to fraction form
    143,291.39/214,968.14 = 43,459.25/x
  3. Step 3: Cross multiply
    143,291.39x = 214,968.14 × 43,459.25
  4. Step 4: Simplify right side
    143,291.39x = 9,342,354,138.30
  5. Step 5: Solve for x
    x = 9,342,354,138.30/143,291.39
  6. Step 6: Final answer
    x = 65,198.29

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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.