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Finding the Fourth Proportional to 119,651.70, 179,414.67 and 53,063.04

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Solution

The fourth proportional to 119,651.70, 179,414.67 and 53,063.04 is: 79,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,651.70 : 179,414.67 = 53,063.04 : x
  2. Step 2: Convert to fraction form
    119,651.70/179,414.67 = 53,063.04/x
  3. Step 3: Cross multiply
    119,651.70x = 179,414.67 × 53,063.04
  4. Step 4: Simplify right side
    119,651.70x = 9,520,287,810.80
  5. Step 5: Solve for x
    x = 9,520,287,810.80/119,651.70
  6. Step 6: Final answer
    x = 79,566.67

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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.