Home / 250,668.72-345,900.96-143,217.36

Finding the Fourth Proportional to 250,668.72, 345,900.96 and 143,217.36

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Solution

The fourth proportional to 250,668.72, 345,900.96 and 143,217.36 is: 197,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,668.72 : 345,900.96 = 143,217.36 : x
  2. Step 2: Convert to fraction form
    250,668.72/345,900.96 = 143,217.36/x
  3. Step 3: Cross multiply
    250,668.72x = 345,900.96 × 143,217.36
  4. Step 4: Simplify right side
    250,668.72x = 49,539,022,312.67
  5. Step 5: Solve for x
    x = 49,539,022,312.67/250,668.72
  6. Step 6: Final answer
    x = 197,627.46

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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.