Home / 100,636.82-150,953.67-25,756.32

Finding the Fourth Proportional to 100,636.82, 150,953.67 and 25,756.32

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Solution

The fourth proportional to 100,636.82, 150,953.67 and 25,756.32 is: 38,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,636.82 : 150,953.67 = 25,756.32 : x
  2. Step 2: Convert to fraction form
    100,636.82/150,953.67 = 25,756.32/x
  3. Step 3: Cross multiply
    100,636.82x = 150,953.67 × 25,756.32
  4. Step 4: Simplify right side
    100,636.82x = 3,888,011,029.69
  5. Step 5: Solve for x
    x = 3,888,011,029.69/100,636.82
  6. Step 6: Final answer
    x = 38,634.08

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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.