Home / 143,050.46-197,389.44-85,676.33

Finding the Fourth Proportional to 143,050.46, 197,389.44 and 85,676.33

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Solution

The fourth proportional to 143,050.46, 197,389.44 and 85,676.33 is: 118,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,050.46 : 197,389.44 = 85,676.33 : x
  2. Step 2: Convert to fraction form
    143,050.46/197,389.44 = 85,676.33/x
  3. Step 3: Cross multiply
    143,050.46x = 197,389.44 × 85,676.33
  4. Step 4: Simplify right side
    143,050.46x = 16,911,603,293.43
  5. Step 5: Solve for x
    x = 16,911,603,293.43/143,050.46
  6. Step 6: Final answer
    x = 118,221.25

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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.