Home / 171,540.64-236,738.54-103,574.14

Finding the Fourth Proportional to 171,540.64, 236,738.54 and 103,574.14

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Solution

The fourth proportional to 171,540.64, 236,738.54 and 103,574.14 is: 142,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,540.64 : 236,738.54 = 103,574.14 : x
  2. Step 2: Convert to fraction form
    171,540.64/236,738.54 = 103,574.14/x
  3. Step 3: Cross multiply
    171,540.64x = 236,738.54 × 103,574.14
  4. Step 4: Simplify right side
    171,540.64x = 24,519,990,685.36
  5. Step 5: Solve for x
    x = 24,519,990,685.36/171,540.64
  6. Step 6: Final answer
    x = 142,939.83

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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.