Home / 210,976.62-291,148.06-115,489.36

Finding the Fourth Proportional to 210,976.62, 291,148.06 and 115,489.36

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Solution

The fourth proportional to 210,976.62, 291,148.06 and 115,489.36 is: 159,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,976.62 : 291,148.06 = 115,489.36 : x
  2. Step 2: Convert to fraction form
    210,976.62/291,148.06 = 115,489.36/x
  3. Step 3: Cross multiply
    210,976.62x = 291,148.06 × 115,489.36
  4. Step 4: Simplify right side
    210,976.62x = 33,624,503,114.64
  5. Step 5: Solve for x
    x = 33,624,503,114.64/210,976.62
  6. Step 6: Final answer
    x = 159,375.49

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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.