Home / 68,032.81-102,049.07-18,112.92

Finding the Fourth Proportional to 68,032.81, 102,049.07 and 18,112.92

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Solution

The fourth proportional to 68,032.81, 102,049.07 and 18,112.92 is: 27,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.81 : 102,049.07 = 18,112.92 : x
  2. Step 2: Convert to fraction form
    68,032.81/102,049.07 = 18,112.92/x
  3. Step 3: Cross multiply
    68,032.81x = 102,049.07 × 18,112.92
  4. Step 4: Simplify right side
    68,032.81x = 1,848,406,167.74
  5. Step 5: Solve for x
    x = 1,848,406,167.74/68,032.81
  6. Step 6: Final answer
    x = 27,169.33

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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.