Home / 342,612.20-513,942.60-105,973.94

Finding the Fourth Proportional to 342,612.20, 513,942.60 and 105,973.94

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Solution

The fourth proportional to 342,612.20, 513,942.60 and 105,973.94 is: 158,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,612.20 : 513,942.60 = 105,973.94 : x
  2. Step 2: Convert to fraction form
    342,612.20/513,942.60 = 105,973.94/x
  3. Step 3: Cross multiply
    342,612.20x = 513,942.60 × 105,973.94
  4. Step 4: Simplify right side
    342,612.20x = 54,464,522,255.84
  5. Step 5: Solve for x
    x = 54,464,522,255.84/342,612.20
  6. Step 6: Final answer
    x = 158,968.43

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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.