Home / 145,508.83-200,798.93-80,976.26

Finding the Fourth Proportional to 145,508.83, 200,798.93 and 80,976.26

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Solution

The fourth proportional to 145,508.83, 200,798.93 and 80,976.26 is: 111,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,508.83 : 200,798.93 = 80,976.26 : x
  2. Step 2: Convert to fraction form
    145,508.83/200,798.93 = 80,976.26/x
  3. Step 3: Cross multiply
    145,508.83x = 200,798.93 × 80,976.26
  4. Step 4: Simplify right side
    145,508.83x = 16,259,947,067.84
  5. Step 5: Solve for x
    x = 16,259,947,067.84/145,508.83
  6. Step 6: Final answer
    x = 111,745.43

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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.