Home / 228,203.70-314,933.07-131,422.25

Finding the Fourth Proportional to 228,203.70, 314,933.07 and 131,422.25

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Solution

The fourth proportional to 228,203.70, 314,933.07 and 131,422.25 is: 181,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,203.70 : 314,933.07 = 131,422.25 : x
  2. Step 2: Convert to fraction form
    228,203.70/314,933.07 = 131,422.25/x
  3. Step 3: Cross multiply
    228,203.70x = 314,933.07 × 131,422.25
  4. Step 4: Simplify right side
    228,203.70x = 41,389,211,084.14
  5. Step 5: Solve for x
    x = 41,389,211,084.14/228,203.70
  6. Step 6: Final answer
    x = 181,369.59

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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.