Home / 139,493.22-209,235.96-50,748.36

Finding the Fourth Proportional to 139,493.22, 209,235.96 and 50,748.36

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Solution

The fourth proportional to 139,493.22, 209,235.96 and 50,748.36 is: 76,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,493.22 : 209,235.96 = 50,748.36 : x
  2. Step 2: Convert to fraction form
    139,493.22/209,235.96 = 50,748.36/x
  3. Step 3: Cross multiply
    139,493.22x = 209,235.96 × 50,748.36
  4. Step 4: Simplify right side
    139,493.22x = 10,618,381,823.03
  5. Step 5: Solve for x
    x = 10,618,381,823.03/139,493.22
  6. Step 6: Final answer
    x = 76,121.13

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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.