Home / 250,240.20-345,245.67-142,732.86

Finding the Fourth Proportional to 250,240.20, 345,245.67 and 142,732.86

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Solution

The fourth proportional to 250,240.20, 345,245.67 and 142,732.86 is: 196,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,240.20 : 345,245.67 = 142,732.86 : x
  2. Step 2: Convert to fraction form
    250,240.20/345,245.67 = 142,732.86/x
  3. Step 3: Cross multiply
    250,240.20x = 345,245.67 × 142,732.86
  4. Step 4: Simplify right side
    250,240.20x = 49,277,901,881.72
  5. Step 5: Solve for x
    x = 49,277,901,881.72/250,240.20
  6. Step 6: Final answer
    x = 196,922.40

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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.