Home / 139,897.26-209,860.74-51,170.04

Finding the Fourth Proportional to 139,897.26, 209,860.74 and 51,170.04

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Solution

The fourth proportional to 139,897.26, 209,860.74 and 51,170.04 is: 76,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,897.26 : 209,860.74 = 51,170.04 : x
  2. Step 2: Convert to fraction form
    139,897.26/209,860.74 = 51,170.04/x
  3. Step 3: Cross multiply
    139,897.26x = 209,860.74 × 51,170.04
  4. Step 4: Simplify right side
    139,897.26x = 10,738,582,460.23
  5. Step 5: Solve for x
    x = 10,738,582,460.23/139,897.26
  6. Step 6: Final answer
    x = 76,760.49

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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.