Home / 105,525.41-158,292.47-30,645.54

Finding the Fourth Proportional to 105,525.41, 158,292.47 and 30,645.54

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Solution

The fourth proportional to 105,525.41, 158,292.47 and 30,645.54 is: 45,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525.41 : 158,292.47 = 30,645.54 : x
  2. Step 2: Convert to fraction form
    105,525.41/158,292.47 = 30,645.54/x
  3. Step 3: Cross multiply
    105,525.41x = 158,292.47 × 30,645.54
  4. Step 4: Simplify right side
    105,525.41x = 4,850,958,297.70
  5. Step 5: Solve for x
    x = 4,850,958,297.70/105,525.41
  6. Step 6: Final answer
    x = 45,969.58

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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.