Home / 100,123.62-150,166.29-30,002.94

Finding the Fourth Proportional to 100,123.62, 150,166.29 and 30,002.94

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Solution

The fourth proportional to 100,123.62, 150,166.29 and 30,002.94 is: 44,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,123.62 : 150,166.29 = 30,002.94 : x
  2. Step 2: Convert to fraction form
    100,123.62/150,166.29 = 30,002.94/x
  3. Step 3: Cross multiply
    100,123.62x = 150,166.29 × 30,002.94
  4. Step 4: Simplify right side
    100,123.62x = 4,505,429,288.05
  5. Step 5: Solve for x
    x = 4,505,429,288.05/100,123.62
  6. Step 6: Final answer
    x = 44,998.67

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1.5x scale

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.