Home / 214,110.72-321,206.40-89,464.32

Finding the Fourth Proportional to 214,110.72, 321,206.40 and 89,464.32

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Solution

The fourth proportional to 214,110.72, 321,206.40 and 89,464.32 is: 134,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,110.72 : 321,206.40 = 89,464.32 : x
  2. Step 2: Convert to fraction form
    214,110.72/321,206.40 = 89,464.32/x
  3. Step 3: Cross multiply
    214,110.72x = 321,206.40 × 89,464.32
  4. Step 4: Simplify right side
    214,110.72x = 28,736,512,155.65
  5. Step 5: Solve for x
    x = 28,736,512,155.65/214,110.72
  6. Step 6: Final answer
    x = 134,213.33

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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.