Home / 163,076.06-225,054.78-91,460.32

Finding the Fourth Proportional to 163,076.06, 225,054.78 and 91,460.32

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Solution

The fourth proportional to 163,076.06, 225,054.78 and 91,460.32 is: 126,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,076.06 : 225,054.78 = 91,460.32 : x
  2. Step 2: Convert to fraction form
    163,076.06/225,054.78 = 91,460.32/x
  3. Step 3: Cross multiply
    163,076.06x = 225,054.78 × 91,460.32
  4. Step 4: Simplify right side
    163,076.06x = 20,583,582,196.33
  5. Step 5: Solve for x
    x = 20,583,582,196.33/163,076.06
  6. Step 6: Final answer
    x = 126,220.75

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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.