Home / 163,375.16-225,457.76-91,755.28

Finding the Fourth Proportional to 163,375.16, 225,457.76 and 91,755.28

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Solution

The fourth proportional to 163,375.16, 225,457.76 and 91,755.28 is: 126,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,375.16 : 225,457.76 = 91,755.28 : x
  2. Step 2: Convert to fraction form
    163,375.16/225,457.76 = 91,755.28/x
  3. Step 3: Cross multiply
    163,375.16x = 225,457.76 × 91,755.28
  4. Step 4: Simplify right side
    163,375.16x = 20,686,939,896.97
  5. Step 5: Solve for x
    x = 20,686,939,896.97/163,375.16
  6. Step 6: Final answer
    x = 126,622.31

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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.