Home / 86,147.12-118,884.84-50,364.56

Finding the Fourth Proportional to 86,147.12, 118,884.84 and 50,364.56

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Solution

The fourth proportional to 86,147.12, 118,884.84 and 50,364.56 is: 69,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,147.12 : 118,884.84 = 50,364.56 : x
  2. Step 2: Convert to fraction form
    86,147.12/118,884.84 = 50,364.56/x
  3. Step 3: Cross multiply
    86,147.12x = 118,884.84 × 50,364.56
  4. Step 4: Simplify right side
    86,147.12x = 5,987,582,657.27
  5. Step 5: Solve for x
    x = 5,987,582,657.27/86,147.12
  6. Step 6: Final answer
    x = 69,504.15

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1.5x scale

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.