Home / 163,078.57-225,050.84-122,170.22

Finding the Fourth Proportional to 163,078.57, 225,050.84 and 122,170.22

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Solution

The fourth proportional to 163,078.57, 225,050.84 and 122,170.22 is: 168,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078.57 : 225,050.84 = 122,170.22 : x
  2. Step 2: Convert to fraction form
    163,078.57/225,050.84 = 122,170.22/x
  3. Step 3: Cross multiply
    163,078.57x = 225,050.84 × 122,170.22
  4. Step 4: Simplify right side
    163,078.57x = 27,494,511,981.28
  5. Step 5: Solve for x
    x = 27,494,511,981.28/163,078.57
  6. Step 6: Final answer
    x = 168,596.72

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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.