Home / 248,918.20-372,923.70-143,423.80

Finding the Fourth Proportional to 248,918.20, 372,923.70 and 143,423.80

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Solution

The fourth proportional to 248,918.20, 372,923.70 and 143,423.80 is: 214,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918.20 : 372,923.70 = 143,423.80 : x
  2. Step 2: Convert to fraction form
    248,918.20/372,923.70 = 143,423.80/x
  3. Step 3: Cross multiply
    248,918.20x = 372,923.70 × 143,423.80
  4. Step 4: Simplify right side
    248,918.20x = 53,486,134,164.06
  5. Step 5: Solve for x
    x = 53,486,134,164.06/248,918.20
  6. Step 6: Final answer
    x = 214,874.34

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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.