Home / 189,063.07-260,912.61-104,185.60

Finding the Fourth Proportional to 189,063.07, 260,912.61 and 104,185.60

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Solution

The fourth proportional to 189,063.07, 260,912.61 and 104,185.60 is: 143,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063.07 : 260,912.61 = 104,185.60 : x
  2. Step 2: Convert to fraction form
    189,063.07/260,912.61 = 104,185.60/x
  3. Step 3: Cross multiply
    189,063.07x = 260,912.61 × 104,185.60
  4. Step 4: Simplify right side
    189,063.07x = 27,183,336,820.42
  5. Step 5: Solve for x
    x = 27,183,336,820.42/189,063.07
  6. Step 6: Final answer
    x = 143,779.20

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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.