Home / 220,063.12-330,023.43-70,268.31

Finding the Fourth Proportional to 220,063.12, 330,023.43 and 70,268.31

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Solution

The fourth proportional to 220,063.12, 330,023.43 and 70,268.31 is: 105,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063.12 : 330,023.43 = 70,268.31 : x
  2. Step 2: Convert to fraction form
    220,063.12/330,023.43 = 70,268.31/x
  3. Step 3: Cross multiply
    220,063.12x = 330,023.43 × 70,268.31
  4. Step 4: Simplify right side
    220,063.12x = 23,190,188,390.06
  5. Step 5: Solve for x
    x = 23,190,188,390.06/220,063.12
  6. Step 6: Final answer
    x = 105,379.71

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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.