Home / 100,433.42-150,711.63-40,450.89

Finding the Fourth Proportional to 100,433.42, 150,711.63 and 40,450.89

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Solution

The fourth proportional to 100,433.42, 150,711.63 and 40,450.89 is: 60,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,433.42 : 150,711.63 = 40,450.89 : x
  2. Step 2: Convert to fraction form
    100,433.42/150,711.63 = 40,450.89/x
  3. Step 3: Cross multiply
    100,433.42x = 150,711.63 × 40,450.89
  4. Step 4: Simplify right side
    100,433.42x = 6,096,419,566.85
  5. Step 5: Solve for x
    x = 6,096,419,566.85/100,433.42
  6. Step 6: Final answer
    x = 60,701.11

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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.