Home / 139,147.34-192,023.24-75,485.14

Finding the Fourth Proportional to 139,147.34, 192,023.24 and 75,485.14

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Solution

The fourth proportional to 139,147.34, 192,023.24 and 75,485.14 is: 104,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,147.34 : 192,023.24 = 75,485.14 : x
  2. Step 2: Convert to fraction form
    139,147.34/192,023.24 = 75,485.14/x
  3. Step 3: Cross multiply
    139,147.34x = 192,023.24 × 75,485.14
  4. Step 4: Simplify right side
    139,147.34x = 14,494,900,297.17
  5. Step 5: Solve for x
    x = 14,494,900,297.17/139,147.34
  6. Step 6: Final answer
    x = 104,169.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.