Home / 100,759.28-150,806.59-55,711.33

Finding the Fourth Proportional to 100,759.28, 150,806.59 and 55,711.33

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Solution

The fourth proportional to 100,759.28, 150,806.59 and 55,711.33 is: 83,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,759.28 : 150,806.59 = 55,711.33 : x
  2. Step 2: Convert to fraction form
    100,759.28/150,806.59 = 55,711.33/x
  3. Step 3: Cross multiply
    100,759.28x = 150,806.59 × 55,711.33
  4. Step 4: Simplify right side
    100,759.28x = 8,401,635,701.66
  5. Step 5: Solve for x
    x = 8,401,635,701.66/100,759.28
  6. Step 6: Final answer
    x = 83,383.24

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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.