Home / 261,975.60-393,136.20-95,763.60

Finding the Fourth Proportional to 261,975.60, 393,136.20 and 95,763.60

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Solution

The fourth proportional to 261,975.60, 393,136.20 and 95,763.60 is: 143,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,975.60 : 393,136.20 = 95,763.60 : x
  2. Step 2: Convert to fraction form
    261,975.60/393,136.20 = 95,763.60/x
  3. Step 3: Cross multiply
    261,975.60x = 393,136.20 × 95,763.60
  4. Step 4: Simplify right side
    261,975.60x = 37,648,137,802.32
  5. Step 5: Solve for x
    x = 37,648,137,802.32/261,975.60
  6. Step 6: Final answer
    x = 143,708.57

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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.