Home / 96,408.41-144,578.75-28,920.32

Finding the Fourth Proportional to 96,408.41, 144,578.75 and 28,920.32

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Solution

The fourth proportional to 96,408.41, 144,578.75 and 28,920.32 is: 43,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,408.41 : 144,578.75 = 28,920.32 : x
  2. Step 2: Convert to fraction form
    96,408.41/144,578.75 = 28,920.32/x
  3. Step 3: Cross multiply
    96,408.41x = 144,578.75 × 28,920.32
  4. Step 4: Simplify right side
    96,408.41x = 4,181,263,932.05
  5. Step 5: Solve for x
    x = 4,181,263,932.05/96,408.41
  6. Step 6: Final answer
    x = 43,370.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.