Home / 250,373.54-345,504.21-137,193.86

Finding the Fourth Proportional to 250,373.54, 345,504.21 and 137,193.86

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Solution

The fourth proportional to 250,373.54, 345,504.21 and 137,193.86 is: 189,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,373.54 : 345,504.21 = 137,193.86 : x
  2. Step 2: Convert to fraction form
    250,373.54/345,504.21 = 137,193.86/x
  3. Step 3: Cross multiply
    250,373.54x = 345,504.21 × 137,193.86
  4. Step 4: Simplify right side
    250,373.54x = 47,401,056,216.15
  5. Step 5: Solve for x
    x = 47,401,056,216.15/250,373.54
  6. Step 6: Final answer
    x = 189,321.35

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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.