Home / 159,240.24-219,760.83-91,278.27

Finding the Fourth Proportional to 159,240.24, 219,760.83 and 91,278.27

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Solution

The fourth proportional to 159,240.24, 219,760.83 and 91,278.27 is: 125,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.24 : 219,760.83 = 91,278.27 : x
  2. Step 2: Convert to fraction form
    159,240.24/219,760.83 = 91,278.27/x
  3. Step 3: Cross multiply
    159,240.24x = 219,760.83 × 91,278.27
  4. Step 4: Simplify right side
    159,240.24x = 20,059,388,376.16
  5. Step 5: Solve for x
    x = 20,059,388,376.16/159,240.24
  6. Step 6: Final answer
    x = 125,969.34

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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.