Home / 86,205.40-118,940.20-50,404.21

Finding the Fourth Proportional to 86,205.40, 118,940.20 and 50,404.21

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Solution

The fourth proportional to 86,205.40, 118,940.20 and 50,404.21 is: 69,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,205.40 : 118,940.20 = 50,404.21 : x
  2. Step 2: Convert to fraction form
    86,205.40/118,940.20 = 50,404.21/x
  3. Step 3: Cross multiply
    86,205.40x = 118,940.20 × 50,404.21
  4. Step 4: Simplify right side
    86,205.40x = 5,995,086,818.24
  5. Step 5: Solve for x
    x = 5,995,086,818.24/86,205.40
  6. Step 6: Final answer
    x = 69,544.21

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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.