Home / 210,195.72-290,076.21-114,708.56

Finding the Fourth Proportional to 210,195.72, 290,076.21 and 114,708.56

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Solution

The fourth proportional to 210,195.72, 290,076.21 and 114,708.56 is: 158,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,195.72 : 290,076.21 = 114,708.56 : x
  2. Step 2: Convert to fraction form
    210,195.72/290,076.21 = 114,708.56/x
  3. Step 3: Cross multiply
    210,195.72x = 290,076.21 × 114,708.56
  4. Step 4: Simplify right side
    210,195.72x = 33,274,222,888.98
  5. Step 5: Solve for x
    x = 33,274,222,888.98/210,195.72
  6. Step 6: Final answer
    x = 158,301.14

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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.