Home / 159,224.76-219,731.94-91,240.36

Finding the Fourth Proportional to 159,224.76, 219,731.94 and 91,240.36

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Solution

The fourth proportional to 159,224.76, 219,731.94 and 91,240.36 is: 125,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,224.76 : 219,731.94 = 91,240.36 : x
  2. Step 2: Convert to fraction form
    159,224.76/219,731.94 = 91,240.36/x
  3. Step 3: Cross multiply
    159,224.76x = 219,731.94 × 91,240.36
  4. Step 4: Simplify right side
    159,224.76x = 20,048,421,309.10
  5. Step 5: Solve for x
    x = 20,048,421,309.10/159,224.76
  6. Step 6: Final answer
    x = 125,912.71

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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.