Home / 259,094.29-388,754.38-90,735.39

Finding the Fourth Proportional to 259,094.29, 388,754.38 and 90,735.39

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Solution

The fourth proportional to 259,094.29, 388,754.38 and 90,735.39 is: 136,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,094.29 : 388,754.38 = 90,735.39 : x
  2. Step 2: Convert to fraction form
    259,094.29/388,754.38 = 90,735.39/x
  3. Step 3: Cross multiply
    259,094.29x = 388,754.38 × 90,735.39
  4. Step 4: Simplify right side
    259,094.29x = 35,273,778,339.74
  5. Step 5: Solve for x
    x = 35,273,778,339.74/259,094.29
  6. Step 6: Final answer
    x = 136,142.63

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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.