Home / 159,813.96-239,868.18-80,984.04

Finding the Fourth Proportional to 159,813.96, 239,868.18 and 80,984.04

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Solution

The fourth proportional to 159,813.96, 239,868.18 and 80,984.04 is: 121,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.96 : 239,868.18 = 80,984.04 : x
  2. Step 2: Convert to fraction form
    159,813.96/239,868.18 = 80,984.04/x
  3. Step 3: Cross multiply
    159,813.96x = 239,868.18 × 80,984.04
  4. Step 4: Simplify right side
    159,813.96x = 19,425,494,283.85
  5. Step 5: Solve for x
    x = 19,425,494,283.85/159,813.96
  6. Step 6: Final answer
    x = 121,550.67

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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.