Home / 90,907.43-136,175.24-74,100.33

Finding the Fourth Proportional to 90,907.43, 136,175.24 and 74,100.33

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Solution

The fourth proportional to 90,907.43, 136,175.24 and 74,100.33 is: 110,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.43 : 136,175.24 = 74,100.33 : x
  2. Step 2: Convert to fraction form
    90,907.43/136,175.24 = 74,100.33/x
  3. Step 3: Cross multiply
    90,907.43x = 136,175.24 × 74,100.33
  4. Step 4: Simplify right side
    90,907.43x = 10,090,629,851.33
  5. Step 5: Solve for x
    x = 10,090,629,851.33/90,907.43
  6. Step 6: Final answer
    x = 110,998.96

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1.5x scale

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.