Home / 210,229.20-290,105.64-114,735.12

Finding the Fourth Proportional to 210,229.20, 290,105.64 and 114,735.12

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Solution

The fourth proportional to 210,229.20, 290,105.64 and 114,735.12 is: 158,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,229.20 : 290,105.64 = 114,735.12 : x
  2. Step 2: Convert to fraction form
    210,229.20/290,105.64 = 114,735.12/x
  3. Step 3: Cross multiply
    210,229.20x = 290,105.64 × 114,735.12
  4. Step 4: Simplify right side
    210,229.20x = 33,285,305,418.08
  5. Step 5: Solve for x
    x = 33,285,305,418.08/210,229.20
  6. Step 6: Final answer
    x = 158,328.65

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1.5x scale

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.