Home / 77,395.06-116,144.37-28,147.06

Finding the Fourth Proportional to 77,395.06, 116,144.37 and 28,147.06

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Solution

The fourth proportional to 77,395.06, 116,144.37 and 28,147.06 is: 42,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,395.06 : 116,144.37 = 28,147.06 : x
  2. Step 2: Convert to fraction form
    77,395.06/116,144.37 = 28,147.06/x
  3. Step 3: Cross multiply
    77,395.06x = 116,144.37 × 28,147.06
  4. Step 4: Simplify right side
    77,395.06x = 3,269,122,551.05
  5. Step 5: Solve for x
    x = 3,269,122,551.05/77,395.06
  6. Step 6: Final answer
    x = 42,239.42

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1.5x scale

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.