Home / 250,014.21-345,016.94-135,290.34

Finding the Fourth Proportional to 250,014.21, 345,016.94 and 135,290.34

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Solution

The fourth proportional to 250,014.21, 345,016.94 and 135,290.34 is: 186,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.21 : 345,016.94 = 135,290.34 : x
  2. Step 2: Convert to fraction form
    250,014.21/345,016.94 = 135,290.34/x
  3. Step 3: Cross multiply
    250,014.21x = 345,016.94 × 135,290.34
  4. Step 4: Simplify right side
    250,014.21x = 46,677,458,441.91
  5. Step 5: Solve for x
    x = 46,677,458,441.91/250,014.21
  6. Step 6: Final answer
    x = 186,699.22

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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.