Home / 159,834.26-220,571.74-87,237.82

Finding the Fourth Proportional to 159,834.26, 220,571.74 and 87,237.82

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Solution

The fourth proportional to 159,834.26, 220,571.74 and 87,237.82 is: 120,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.26 : 220,571.74 = 87,237.82 : x
  2. Step 2: Convert to fraction form
    159,834.26/220,571.74 = 87,237.82/x
  3. Step 3: Cross multiply
    159,834.26x = 220,571.74 × 87,237.82
  4. Step 4: Simplify right side
    159,834.26x = 19,242,197,751.21
  5. Step 5: Solve for x
    x = 19,242,197,751.21/159,834.26
  6. Step 6: Final answer
    x = 120,388.44

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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.