Home / 68,089.14-102,133.73-18,169.42

Finding the Fourth Proportional to 68,089.14, 102,133.73 and 18,169.42

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Solution

The fourth proportional to 68,089.14, 102,133.73 and 18,169.42 is: 27,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.14 : 102,133.73 = 18,169.42 : x
  2. Step 2: Convert to fraction form
    68,089.14/102,133.73 = 18,169.42/x
  3. Step 3: Cross multiply
    68,089.14x = 102,133.73 × 18,169.42
  4. Step 4: Simplify right side
    68,089.14x = 1,855,710,636.54
  5. Step 5: Solve for x
    x = 1,855,710,636.54/68,089.14
  6. Step 6: Final answer
    x = 27,254.14

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1.5x scale

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.