Home / 252,131.28-347,941.26-137,409.96

Finding the Fourth Proportional to 252,131.28, 347,941.26 and 137,409.96

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Solution

The fourth proportional to 252,131.28, 347,941.26 and 137,409.96 is: 189,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,131.28 : 347,941.26 = 137,409.96 : x
  2. Step 2: Convert to fraction form
    252,131.28/347,941.26 = 137,409.96/x
  3. Step 3: Cross multiply
    252,131.28x = 347,941.26 × 137,409.96
  4. Step 4: Simplify right side
    252,131.28x = 47,810,594,618.95
  5. Step 5: Solve for x
    x = 47,810,594,618.95/252,131.28
  6. Step 6: Final answer
    x = 189,625.80

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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.