Home / 118,012.25-162,858.77-64,297.25

Finding the Fourth Proportional to 118,012.25, 162,858.77 and 64,297.25

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Solution

The fourth proportional to 118,012.25, 162,858.77 and 64,297.25 is: 88,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.25 : 162,858.77 = 64,297.25 : x
  2. Step 2: Convert to fraction form
    118,012.25/162,858.77 = 64,297.25/x
  3. Step 3: Cross multiply
    118,012.25x = 162,858.77 × 64,297.25
  4. Step 4: Simplify right side
    118,012.25x = 10,471,370,765.44
  5. Step 5: Solve for x
    x = 10,471,370,765.44/118,012.25
  6. Step 6: Final answer
    x = 88,731.22

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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.