Home / 128,338.42-192,492.91-33,577.75

Finding the Fourth Proportional to 128,338.42, 192,492.91 and 33,577.75

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Solution

The fourth proportional to 128,338.42, 192,492.91 and 33,577.75 is: 50,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,338.42 : 192,492.91 = 33,577.75 : x
  2. Step 2: Convert to fraction form
    128,338.42/192,492.91 = 33,577.75/x
  3. Step 3: Cross multiply
    128,338.42x = 192,492.91 × 33,577.75
  4. Step 4: Simplify right side
    128,338.42x = 6,463,479,331.96
  5. Step 5: Solve for x
    x = 6,463,479,331.96/128,338.42
  6. Step 6: Final answer
    x = 50,362.78

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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.