Home / 192,210.96-265,257-107,331.60

Finding the Fourth Proportional to 192,210.96, 265,257 and 107,331.60

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Solution

The fourth proportional to 192,210.96, 265,257 and 107,331.60 is: 148,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,210.96 : 265,257 = 107,331.60 : x
  2. Step 2: Convert to fraction form
    192,210.96/265,257 = 107,331.60/x
  3. Step 3: Cross multiply
    192,210.96x = 265,257 × 107,331.60
  4. Step 4: Simplify right side
    192,210.96x = 28,470,458,221.20
  5. Step 5: Solve for x
    x = 28,470,458,221.20/192,210.96
  6. Step 6: Final answer
    x = 148,120.89

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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.