Home / 143,402.50-214,864.55-101,213.45

Finding the Fourth Proportional to 143,402.50, 214,864.55 and 101,213.45

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Solution

The fourth proportional to 143,402.50, 214,864.55 and 101,213.45 is: 151,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,402.50 : 214,864.55 = 101,213.45 : x
  2. Step 2: Convert to fraction form
    143,402.50/214,864.55 = 101,213.45/x
  3. Step 3: Cross multiply
    143,402.50x = 214,864.55 × 101,213.45
  4. Step 4: Simplify right side
    143,402.50x = 21,747,181,993.10
  5. Step 5: Solve for x
    x = 21,747,181,993.10/143,402.50
  6. Step 6: Final answer
    x = 151,651.34

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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.