Home / 225,707.52-338,533.60-130,989.23

Finding the Fourth Proportional to 225,707.52, 338,533.60 and 130,989.23

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Solution

The fourth proportional to 225,707.52, 338,533.60 and 130,989.23 is: 196,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,707.52 : 338,533.60 = 130,989.23 : x
  2. Step 2: Convert to fraction form
    225,707.52/338,533.60 = 130,989.23/x
  3. Step 3: Cross multiply
    225,707.52x = 338,533.60 × 130,989.23
  4. Step 4: Simplify right side
    225,707.52x = 44,344,257,360.75
  5. Step 5: Solve for x
    x = 44,344,257,360.75/225,707.52
  6. Step 6: Final answer
    x = 196,467.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.