Home / 215,992.54-324,133.43-89,632.91

Finding the Fourth Proportional to 215,992.54, 324,133.43 and 89,632.91

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Solution

The fourth proportional to 215,992.54, 324,133.43 and 89,632.91 is: 134,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,992.54 : 324,133.43 = 89,632.91 : x
  2. Step 2: Convert to fraction form
    215,992.54/324,133.43 = 89,632.91/x
  3. Step 3: Cross multiply
    215,992.54x = 324,133.43 × 89,632.91
  4. Step 4: Simplify right side
    215,992.54x = 29,053,022,559.18
  5. Step 5: Solve for x
    x = 29,053,022,559.18/215,992.54
  6. Step 6: Final answer
    x = 134,509.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.