Home / 143,091.20-214,638.78-43,252.22

Finding the Fourth Proportional to 143,091.20, 214,638.78 and 43,252.22

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Solution

The fourth proportional to 143,091.20, 214,638.78 and 43,252.22 is: 64,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.20 : 214,638.78 = 43,252.22 : x
  2. Step 2: Convert to fraction form
    143,091.20/214,638.78 = 43,252.22/x
  3. Step 3: Cross multiply
    143,091.20x = 214,638.78 × 43,252.22
  4. Step 4: Simplify right side
    143,091.20x = 9,283,603,733.09
  5. Step 5: Solve for x
    x = 9,283,603,733.09/143,091.20
  6. Step 6: Final answer
    x = 64,878.93

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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.