Home / 261,968.50-361,516.53-142,736.50

Finding the Fourth Proportional to 261,968.50, 361,516.53 and 142,736.50

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Solution

The fourth proportional to 261,968.50, 361,516.53 and 142,736.50 is: 196,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,968.50 : 361,516.53 = 142,736.50 : x
  2. Step 2: Convert to fraction form
    261,968.50/361,516.53 = 142,736.50/x
  3. Step 3: Cross multiply
    261,968.50x = 361,516.53 × 142,736.50
  4. Step 4: Simplify right side
    261,968.50x = 51,601,604,184.35
  5. Step 5: Solve for x
    x = 51,601,604,184.35/261,968.50
  6. Step 6: Final answer
    x = 196,976.37

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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.