Home / 147,820.26-203,991.94-79,837.22

Finding the Fourth Proportional to 147,820.26, 203,991.94 and 79,837.22

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Solution

The fourth proportional to 147,820.26, 203,991.94 and 79,837.22 is: 110,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,820.26 : 203,991.94 = 79,837.22 : x
  2. Step 2: Convert to fraction form
    147,820.26/203,991.94 = 79,837.22/x
  3. Step 3: Cross multiply
    147,820.26x = 203,991.94 × 79,837.22
  4. Step 4: Simplify right side
    147,820.26x = 16,286,149,392.01
  5. Step 5: Solve for x
    x = 16,286,149,392.01/147,820.26
  6. Step 6: Final answer
    x = 110,175.35

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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.