Home / 143,485.25-197,927.21-89,676.85

Finding the Fourth Proportional to 143,485.25, 197,927.21 and 89,676.85

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Solution

The fourth proportional to 143,485.25, 197,927.21 and 89,676.85 is: 123,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,485.25 : 197,927.21 = 89,676.85 : x
  2. Step 2: Convert to fraction form
    143,485.25/197,927.21 = 89,676.85/x
  3. Step 3: Cross multiply
    143,485.25x = 197,927.21 × 89,676.85
  4. Step 4: Simplify right side
    143,485.25x = 17,749,488,451.46
  5. Step 5: Solve for x
    x = 17,749,488,451.46/143,485.25
  6. Step 6: Final answer
    x = 123,702.53

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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.