Home / 143,241.20-214,864.08-43,402.40

Finding the Fourth Proportional to 143,241.20, 214,864.08 and 43,402.40

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Solution

The fourth proportional to 143,241.20, 214,864.08 and 43,402.40 is: 65,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,241.20 : 214,864.08 = 43,402.40 : x
  2. Step 2: Convert to fraction form
    143,241.20/214,864.08 = 43,402.40/x
  3. Step 3: Cross multiply
    143,241.20x = 214,864.08 × 43,402.40
  4. Step 4: Simplify right side
    143,241.20x = 9,325,616,745.79
  5. Step 5: Solve for x
    x = 9,325,616,745.79/143,241.20
  6. Step 6: Final answer
    x = 65,104.29

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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.