Home / 146,208.20-201,767.94-79,140.20

Finding the Fourth Proportional to 146,208.20, 201,767.94 and 79,140.20

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Solution

The fourth proportional to 146,208.20, 201,767.94 and 79,140.20 is: 109,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.20 : 201,767.94 = 79,140.20 : x
  2. Step 2: Convert to fraction form
    146,208.20/201,767.94 = 79,140.20/x
  3. Step 3: Cross multiply
    146,208.20x = 201,767.94 × 79,140.20
  4. Step 4: Simplify right side
    146,208.20x = 15,967,954,116.35
  5. Step 5: Solve for x
    x = 15,967,954,116.35/146,208.20
  6. Step 6: Final answer
    x = 109,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.