Home / 173,067.21-238,812.39-100,453.32

Finding the Fourth Proportional to 173,067.21, 238,812.39 and 100,453.32

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Solution

The fourth proportional to 173,067.21, 238,812.39 and 100,453.32 is: 138,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,067.21 : 238,812.39 = 100,453.32 : x
  2. Step 2: Convert to fraction form
    173,067.21/238,812.39 = 100,453.32/x
  3. Step 3: Cross multiply
    173,067.21x = 238,812.39 × 100,453.32
  4. Step 4: Simplify right side
    173,067.21x = 23,989,497,432.63
  5. Step 5: Solve for x
    x = 23,989,497,432.63/173,067.21
  6. Step 6: Final answer
    x = 138,613.76

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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.