Home / 209,029.48-313,627.24-66,896.55

Finding the Fourth Proportional to 209,029.48, 313,627.24 and 66,896.55

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Solution

The fourth proportional to 209,029.48, 313,627.24 and 66,896.55 is: 100,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,029.48 : 313,627.24 = 66,896.55 : x
  2. Step 2: Convert to fraction form
    209,029.48/313,627.24 = 66,896.55/x
  3. Step 3: Cross multiply
    209,029.48x = 313,627.24 × 66,896.55
  4. Step 4: Simplify right side
    209,029.48x = 20,980,580,425.64
  5. Step 5: Solve for x
    x = 20,980,580,425.64/209,029.48
  6. Step 6: Final answer
    x = 100,371.40

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1.5x scale

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.