Home / 209,477.26-314,175.33-81,393.32

Finding the Fourth Proportional to 209,477.26, 314,175.33 and 81,393.32

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Solution

The fourth proportional to 209,477.26, 314,175.33 and 81,393.32 is: 122,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,477.26 : 314,175.33 = 81,393.32 : x
  2. Step 2: Convert to fraction form
    209,477.26/314,175.33 = 81,393.32/x
  3. Step 3: Cross multiply
    209,477.26x = 314,175.33 × 81,393.32
  4. Step 4: Simplify right side
    209,477.26x = 25,571,773,170.80
  5. Step 5: Solve for x
    x = 25,571,773,170.80/209,477.26
  6. Step 6: Final answer
    x = 122,074.22

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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.