Home / 213,340.84-320,023.54-80,222.25

Finding the Fourth Proportional to 213,340.84, 320,023.54 and 80,222.25

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Solution

The fourth proportional to 213,340.84, 320,023.54 and 80,222.25 is: 120,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,340.84 : 320,023.54 = 80,222.25 : x
  2. Step 2: Convert to fraction form
    213,340.84/320,023.54 = 80,222.25/x
  3. Step 3: Cross multiply
    213,340.84x = 320,023.54 × 80,222.25
  4. Step 4: Simplify right side
    213,340.84x = 25,673,008,431.77
  5. Step 5: Solve for x
    x = 25,673,008,431.77/213,340.84
  6. Step 6: Final answer
    x = 120,337.99

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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.