Home / 189,132.76-260,975.10-108,563.32

Finding the Fourth Proportional to 189,132.76, 260,975.10 and 108,563.32

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Solution

The fourth proportional to 189,132.76, 260,975.10 and 108,563.32 is: 149,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,132.76 : 260,975.10 = 108,563.32 : x
  2. Step 2: Convert to fraction form
    189,132.76/260,975.10 = 108,563.32/x
  3. Step 3: Cross multiply
    189,132.76x = 260,975.10 × 108,563.32
  4. Step 4: Simplify right side
    189,132.76x = 28,332,323,293.33
  5. Step 5: Solve for x
    x = 28,332,323,293.33/189,132.76
  6. Step 6: Final answer
    x = 149,801.25

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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.