Home / 129,770.10-194,618.70-41,050.80

Finding the Fourth Proportional to 129,770.10, 194,618.70 and 41,050.80

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Solution

The fourth proportional to 129,770.10, 194,618.70 and 41,050.80 is: 61,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.10 : 194,618.70 = 41,050.80 : x
  2. Step 2: Convert to fraction form
    129,770.10/194,618.70 = 41,050.80/x
  3. Step 3: Cross multiply
    129,770.10x = 194,618.70 × 41,050.80
  4. Step 4: Simplify right side
    129,770.10x = 7,989,253,329.96
  5. Step 5: Solve for x
    x = 7,989,253,329.96/129,770.10
  6. Step 6: Final answer
    x = 61,564.67

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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.