Home / 192,136.10-288,204.15-168,808.10

Finding the Fourth Proportional to 192,136.10, 288,204.15 and 168,808.10

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Solution

The fourth proportional to 192,136.10, 288,204.15 and 168,808.10 is: 253,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,136.10 : 288,204.15 = 168,808.10 : x
  2. Step 2: Convert to fraction form
    192,136.10/288,204.15 = 168,808.10/x
  3. Step 3: Cross multiply
    192,136.10x = 288,204.15 × 168,808.10
  4. Step 4: Simplify right side
    192,136.10x = 48,651,194,973.62
  5. Step 5: Solve for x
    x = 48,651,194,973.62/192,136.10
  6. Step 6: Final answer
    x = 253,212.15

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