Home / 125,735.82-173,511.97-69,147.20

Finding the Fourth Proportional to 125,735.82, 173,511.97 and 69,147.20

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Solution

The fourth proportional to 125,735.82, 173,511.97 and 69,147.20 is: 95,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,735.82 : 173,511.97 = 69,147.20 : x
  2. Step 2: Convert to fraction form
    125,735.82/173,511.97 = 69,147.20/x
  3. Step 3: Cross multiply
    125,735.82x = 173,511.97 × 69,147.20
  4. Step 4: Simplify right side
    125,735.82x = 11,997,866,891.98
  5. Step 5: Solve for x
    x = 11,997,866,891.98/125,735.82
  6. Step 6: Final answer
    x = 95,421.23

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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.