Home / 189,825.65-262,025.36-109,285.27

Finding the Fourth Proportional to 189,825.65, 262,025.36 and 109,285.27

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Solution

The fourth proportional to 189,825.65, 262,025.36 and 109,285.27 is: 150,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,825.65 : 262,025.36 = 109,285.27 : x
  2. Step 2: Convert to fraction form
    189,825.65/262,025.36 = 109,285.27/x
  3. Step 3: Cross multiply
    189,825.65x = 262,025.36 × 109,285.27
  4. Step 4: Simplify right side
    189,825.65x = 28,635,510,357.89
  5. Step 5: Solve for x
    x = 28,635,510,357.89/189,825.65
  6. Step 6: Final answer
    x = 150,851.64

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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.