Home / 250,629.99-345,887.69-143,197.72

Finding the Fourth Proportional to 250,629.99, 345,887.69 and 143,197.72

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Solution

The fourth proportional to 250,629.99, 345,887.69 and 143,197.72 is: 197,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,629.99 : 345,887.69 = 143,197.72 : x
  2. Step 2: Convert to fraction form
    250,629.99/345,887.69 = 143,197.72/x
  3. Step 3: Cross multiply
    250,629.99x = 345,887.69 × 143,197.72
  4. Step 4: Simplify right side
    250,629.99x = 49,530,327,868.08
  5. Step 5: Solve for x
    x = 49,530,327,868.08/250,629.99
  6. Step 6: Final answer
    x = 197,623.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.