Home / 139,764.45-209,644.14-34,583.43

Finding the Fourth Proportional to 139,764.45, 209,644.14 and 34,583.43

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Solution

The fourth proportional to 139,764.45, 209,644.14 and 34,583.43 is: 51,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,764.45 : 209,644.14 = 34,583.43 : x
  2. Step 2: Convert to fraction form
    139,764.45/209,644.14 = 34,583.43/x
  3. Step 3: Cross multiply
    139,764.45x = 209,644.14 × 34,583.43
  4. Step 4: Simplify right side
    139,764.45x = 7,250,213,440.60
  5. Step 5: Solve for x
    x = 7,250,213,440.60/139,764.45
  6. Step 6: Final answer
    x = 51,874.52

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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.