Home / 124,173.21-186,240.92-45,287.49

Finding the Fourth Proportional to 124,173.21, 186,240.92 and 45,287.49

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Solution

The fourth proportional to 124,173.21, 186,240.92 and 45,287.49 is: 67,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,173.21 : 186,240.92 = 45,287.49 : x
  2. Step 2: Convert to fraction form
    124,173.21/186,240.92 = 45,287.49/x
  3. Step 3: Cross multiply
    124,173.21x = 186,240.92 × 45,287.49
  4. Step 4: Simplify right side
    124,173.21x = 8,434,383,575.65
  5. Step 5: Solve for x
    x = 8,434,383,575.65/124,173.21
  6. Step 6: Final answer
    x = 67,924.34

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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.