Home / 210,251.72-290,145.26-114,757.56

Finding the Fourth Proportional to 210,251.72, 290,145.26 and 114,757.56

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Solution

The fourth proportional to 210,251.72, 290,145.26 and 114,757.56 is: 158,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,251.72 : 290,145.26 = 114,757.56 : x
  2. Step 2: Convert to fraction form
    210,251.72/290,145.26 = 114,757.56/x
  3. Step 3: Cross multiply
    210,251.72x = 290,145.26 × 114,757.56
  4. Step 4: Simplify right side
    210,251.72x = 33,296,362,083.17
  5. Step 5: Solve for x
    x = 33,296,362,083.17/210,251.72
  6. Step 6: Final answer
    x = 158,364.28

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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.