Home / 210,760.92-290,849.43-113,964.12

Finding the Fourth Proportional to 210,760.92, 290,849.43 and 113,964.12

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Solution

The fourth proportional to 210,760.92, 290,849.43 and 113,964.12 is: 157,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,760.92 : 290,849.43 = 113,964.12 : x
  2. Step 2: Convert to fraction form
    210,760.92/290,849.43 = 113,964.12/x
  3. Step 3: Cross multiply
    210,760.92x = 290,849.43 × 113,964.12
  4. Step 4: Simplify right side
    210,760.92x = 33,146,399,342.45
  5. Step 5: Solve for x
    x = 33,146,399,342.45/210,760.92
  6. Step 6: Final answer
    x = 157,270.14

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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.