Home / 250,497.36-345,700.26-143,102.25

Finding the Fourth Proportional to 250,497.36, 345,700.26 and 143,102.25

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Solution

The fourth proportional to 250,497.36, 345,700.26 and 143,102.25 is: 197,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,497.36 : 345,700.26 = 143,102.25 : x
  2. Step 2: Convert to fraction form
    250,497.36/345,700.26 = 143,102.25/x
  3. Step 3: Cross multiply
    250,497.36x = 345,700.26 × 143,102.25
  4. Step 4: Simplify right side
    250,497.36x = 49,470,485,031.59
  5. Step 5: Solve for x
    x = 49,470,485,031.59/250,497.36
  6. Step 6: Final answer
    x = 197,489.05

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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.