Home / 171,390.21-236,479.34-110,168.39

Finding the Fourth Proportional to 171,390.21, 236,479.34 and 110,168.39

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Solution

The fourth proportional to 171,390.21, 236,479.34 and 110,168.39 is: 152,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,390.21 : 236,479.34 = 110,168.39 : x
  2. Step 2: Convert to fraction form
    171,390.21/236,479.34 = 110,168.39/x
  3. Step 3: Cross multiply
    171,390.21x = 236,479.34 × 110,168.39
  4. Step 4: Simplify right side
    171,390.21x = 26,052,547,249.09
  5. Step 5: Solve for x
    x = 26,052,547,249.09/171,390.21
  6. Step 6: Final answer
    x = 152,007.21

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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.