Home / 125,825.13-188,625.09-45,806.65

Finding the Fourth Proportional to 125,825.13, 188,625.09 and 45,806.65

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Solution

The fourth proportional to 125,825.13, 188,625.09 and 45,806.65 is: 68,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,825.13 : 188,625.09 = 45,806.65 : x
  2. Step 2: Convert to fraction form
    125,825.13/188,625.09 = 45,806.65/x
  3. Step 3: Cross multiply
    125,825.13x = 188,625.09 × 45,806.65
  4. Step 4: Simplify right side
    125,825.13x = 8,640,283,478.85
  5. Step 5: Solve for x
    x = 8,640,283,478.85/125,825.13
  6. Step 6: Final answer
    x = 68,668.98

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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.