Home / 139,222.82-192,127.39-75,560.67

Finding the Fourth Proportional to 139,222.82, 192,127.39 and 75,560.67

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Solution

The fourth proportional to 139,222.82, 192,127.39 and 75,560.67 is: 104,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,222.82 : 192,127.39 = 75,560.67 : x
  2. Step 2: Convert to fraction form
    139,222.82/192,127.39 = 75,560.67/x
  3. Step 3: Cross multiply
    139,222.82x = 192,127.39 × 75,560.67
  4. Step 4: Simplify right side
    139,222.82x = 14,517,274,313.75
  5. Step 5: Solve for x
    x = 14,517,274,313.75/139,222.82
  6. Step 6: Final answer
    x = 104,273.67

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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.