Home / 102,770.28-154,155.49-27,890.44

Finding the Fourth Proportional to 102,770.28, 154,155.49 and 27,890.44

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Solution

The fourth proportional to 102,770.28, 154,155.49 and 27,890.44 is: 41,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.28 : 154,155.49 = 27,890.44 : x
  2. Step 2: Convert to fraction form
    102,770.28/154,155.49 = 27,890.44/x
  3. Step 3: Cross multiply
    102,770.28x = 154,155.49 × 27,890.44
  4. Step 4: Simplify right side
    102,770.28x = 4,299,463,989.40
  5. Step 5: Solve for x
    x = 4,299,463,989.40/102,770.28
  6. Step 6: Final answer
    x = 41,835.67

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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.