Home / 243,922.41-366,039.78-131,680.80

Finding the Fourth Proportional to 243,922.41, 366,039.78 and 131,680.80

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Solution

The fourth proportional to 243,922.41, 366,039.78 and 131,680.80 is: 197,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,922.41 : 366,039.78 = 131,680.80 : x
  2. Step 2: Convert to fraction form
    243,922.41/366,039.78 = 131,680.80/x
  3. Step 3: Cross multiply
    243,922.41x = 366,039.78 × 131,680.80
  4. Step 4: Simplify right side
    243,922.41x = 48,200,411,062.22
  5. Step 5: Solve for x
    x = 48,200,411,062.22/243,922.41
  6. Step 6: Final answer
    x = 197,605.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.