Home / 250,500.36-345,704.40-143,105.26

Finding the Fourth Proportional to 250,500.36, 345,704.40 and 143,105.26

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Solution

The fourth proportional to 250,500.36, 345,704.40 and 143,105.26 is: 197,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,500.36 : 345,704.40 = 143,105.26 : x
  2. Step 2: Convert to fraction form
    250,500.36/345,704.40 = 143,105.26/x
  3. Step 3: Cross multiply
    250,500.36x = 345,704.40 × 143,105.26
  4. Step 4: Simplify right side
    250,500.36x = 49,472,118,045.14
  5. Step 5: Solve for x
    x = 49,472,118,045.14/250,500.36
  6. Step 6: Final answer
    x = 197,493.20

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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.