Home / 129,748.10-194,585.70-41,028.80

Finding the Fourth Proportional to 129,748.10, 194,585.70 and 41,028.80

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Solution

The fourth proportional to 129,748.10, 194,585.70 and 41,028.80 is: 61,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.10 : 194,585.70 = 41,028.80 : x
  2. Step 2: Convert to fraction form
    129,748.10/194,585.70 = 41,028.80/x
  3. Step 3: Cross multiply
    129,748.10x = 194,585.70 × 41,028.80
  4. Step 4: Simplify right side
    129,748.10x = 7,983,617,768.16
  5. Step 5: Solve for x
    x = 7,983,617,768.16/129,748.10
  6. Step 6: Final answer
    x = 61,531.67

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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.