Home / 210,761.30-290,849.96-113,964.48

Finding the Fourth Proportional to 210,761.30, 290,849.96 and 113,964.48

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Solution

The fourth proportional to 210,761.30, 290,849.96 and 113,964.48 is: 157,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,761.30 : 290,849.96 = 113,964.48 : x
  2. Step 2: Convert to fraction form
    210,761.30/290,849.96 = 113,964.48/x
  3. Step 3: Cross multiply
    210,761.30x = 290,849.96 × 113,964.48
  4. Step 4: Simplify right side
    210,761.30x = 33,146,563,879.60
  5. Step 5: Solve for x
    x = 33,146,563,879.60/210,761.30
  6. Step 6: Final answer
    x = 157,270.64

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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.