Home / 139,449.57-192,374.67-101,125.04

Finding the Fourth Proportional to 139,449.57, 192,374.67 and 101,125.04

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Solution

The fourth proportional to 139,449.57, 192,374.67 and 101,125.04 is: 139,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,449.57 : 192,374.67 = 101,125.04 : x
  2. Step 2: Convert to fraction form
    139,449.57/192,374.67 = 101,125.04/x
  3. Step 3: Cross multiply
    139,449.57x = 192,374.67 × 101,125.04
  4. Step 4: Simplify right side
    139,449.57x = 19,453,895,616.08
  5. Step 5: Solve for x
    x = 19,453,895,616.08/139,449.57
  6. Step 6: Final answer
    x = 139,504.88

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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.