Home / 189,119.55-260,999.24-108,573.15

Finding the Fourth Proportional to 189,119.55, 260,999.24 and 108,573.15

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Solution

The fourth proportional to 189,119.55, 260,999.24 and 108,573.15 is: 149,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,119.55 : 260,999.24 = 108,573.15 : x
  2. Step 2: Convert to fraction form
    189,119.55/260,999.24 = 108,573.15/x
  3. Step 3: Cross multiply
    189,119.55x = 260,999.24 × 108,573.15
  4. Step 4: Simplify right side
    189,119.55x = 28,337,509,091.54
  5. Step 5: Solve for x
    x = 28,337,509,091.54/189,119.55
  6. Step 6: Final answer
    x = 149,839.13

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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.