Home / 210,193.20-290,072.77-114,706.05

Finding the Fourth Proportional to 210,193.20, 290,072.77 and 114,706.05

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Solution

The fourth proportional to 210,193.20, 290,072.77 and 114,706.05 is: 158,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,193.20 : 290,072.77 = 114,706.05 : x
  2. Step 2: Convert to fraction form
    210,193.20/290,072.77 = 114,706.05/x
  3. Step 3: Cross multiply
    210,193.20x = 290,072.77 × 114,706.05
  4. Step 4: Simplify right side
    210,193.20x = 33,273,101,659.26
  5. Step 5: Solve for x
    x = 33,273,101,659.26/210,193.20
  6. Step 6: Final answer
    x = 158,297.71

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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.