Home / 259,094.99-388,564.06-90,583.90

Finding the Fourth Proportional to 259,094.99, 388,564.06 and 90,583.90

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Solution

The fourth proportional to 259,094.99, 388,564.06 and 90,583.90 is: 135,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,094.99 : 388,564.06 = 90,583.90 : x
  2. Step 2: Convert to fraction form
    259,094.99/388,564.06 = 90,583.90/x
  3. Step 3: Cross multiply
    259,094.99x = 388,564.06 × 90,583.90
  4. Step 4: Simplify right side
    259,094.99x = 35,197,649,403.93
  5. Step 5: Solve for x
    x = 35,197,649,403.93/259,094.99
  6. Step 6: Final answer
    x = 135,848.44

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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.