Home / 342,204.41-513,135.30-105,516.34

Finding the Fourth Proportional to 342,204.41, 513,135.30 and 105,516.34

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Solution

The fourth proportional to 342,204.41, 513,135.30 and 105,516.34 is: 158,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,204.41 : 513,135.30 = 105,516.34 : x
  2. Step 2: Convert to fraction form
    342,204.41/513,135.30 = 105,516.34/x
  3. Step 3: Cross multiply
    342,204.41x = 513,135.30 × 105,516.34
  4. Step 4: Simplify right side
    342,204.41x = 54,144,157,893.65
  5. Step 5: Solve for x
    x = 54,144,157,893.65/342,204.41
  6. Step 6: Final answer
    x = 158,221.68

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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.