Home / 148,007.37-204,247.13-80,939.37

Finding the Fourth Proportional to 148,007.37, 204,247.13 and 80,939.37

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Solution

The fourth proportional to 148,007.37, 204,247.13 and 80,939.37 is: 111,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007.37 : 204,247.13 = 80,939.37 : x
  2. Step 2: Convert to fraction form
    148,007.37/204,247.13 = 80,939.37/x
  3. Step 3: Cross multiply
    148,007.37x = 204,247.13 × 80,939.37
  4. Step 4: Simplify right side
    148,007.37x = 16,531,633,621.81
  5. Step 5: Solve for x
    x = 16,531,633,621.81/148,007.37
  6. Step 6: Final answer
    x = 111,694.67

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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.