Home / 159,357.24-219,911.22-87,735.80

Finding the Fourth Proportional to 159,357.24, 219,911.22 and 87,735.80

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Solution

The fourth proportional to 159,357.24, 219,911.22 and 87,735.80 is: 121,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,357.24 : 219,911.22 = 87,735.80 : x
  2. Step 2: Convert to fraction form
    159,357.24/219,911.22 = 87,735.80/x
  3. Step 3: Cross multiply
    159,357.24x = 219,911.22 × 87,735.80
  4. Step 4: Simplify right side
    159,357.24x = 19,294,086,815.68
  5. Step 5: Solve for x
    x = 19,294,086,815.68/159,357.24
  6. Step 6: Final answer
    x = 121,074.43

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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.