Home / 198,964.42-298,550.31-88,130.50

Finding the Fourth Proportional to 198,964.42, 298,550.31 and 88,130.50

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Solution

The fourth proportional to 198,964.42, 298,550.31 and 88,130.50 is: 132,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,964.42 : 298,550.31 = 88,130.50 : x
  2. Step 2: Convert to fraction form
    198,964.42/298,550.31 = 88,130.50/x
  3. Step 3: Cross multiply
    198,964.42x = 298,550.31 × 88,130.50
  4. Step 4: Simplify right side
    198,964.42x = 26,311,388,095.46
  5. Step 5: Solve for x
    x = 26,311,388,095.46/198,964.42
  6. Step 6: Final answer
    x = 132,241.67

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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.