Home / 210,535.44-290,540.94-115,042.12

Finding the Fourth Proportional to 210,535.44, 290,540.94 and 115,042.12

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Solution

The fourth proportional to 210,535.44, 290,540.94 and 115,042.12 is: 158,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,535.44 : 290,540.94 = 115,042.12 : x
  2. Step 2: Convert to fraction form
    210,535.44/290,540.94 = 115,042.12/x
  3. Step 3: Cross multiply
    210,535.44x = 290,540.94 × 115,042.12
  4. Step 4: Simplify right side
    210,535.44x = 33,424,445,684.39
  5. Step 5: Solve for x
    x = 33,424,445,684.39/210,535.44
  6. Step 6: Final answer
    x = 158,759.24

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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.