Home / 163,418.82-225,540.67-91,804.29

Finding the Fourth Proportional to 163,418.82, 225,540.67 and 91,804.29

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Solution

The fourth proportional to 163,418.82, 225,540.67 and 91,804.29 is: 126,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,418.82 : 225,540.67 = 91,804.29 : x
  2. Step 2: Convert to fraction form
    163,418.82/225,540.67 = 91,804.29/x
  3. Step 3: Cross multiply
    163,418.82x = 225,540.67 × 91,804.29
  4. Step 4: Simplify right side
    163,418.82x = 20,705,601,075.47
  5. Step 5: Solve for x
    x = 20,705,601,075.47/163,418.82
  6. Step 6: Final answer
    x = 126,702.67

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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.