Home / 227,138.37-340,386.21-125,981.25

Finding the Fourth Proportional to 227,138.37, 340,386.21 and 125,981.25

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Solution

The fourth proportional to 227,138.37, 340,386.21 and 125,981.25 is: 188,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,138.37 : 340,386.21 = 125,981.25 : x
  2. Step 2: Convert to fraction form
    227,138.37/340,386.21 = 125,981.25/x
  3. Step 3: Cross multiply
    227,138.37x = 340,386.21 × 125,981.25
  4. Step 4: Simplify right side
    227,138.37x = 42,882,280,218.56
  5. Step 5: Solve for x
    x = 42,882,280,218.56/227,138.37
  6. Step 6: Final answer
    x = 188,793.64

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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.