Home / 68,015.36-102,030.64-18,097.38

Finding the Fourth Proportional to 68,015.36, 102,030.64 and 18,097.38

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Solution

The fourth proportional to 68,015.36, 102,030.64 and 18,097.38 is: 27,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.36 : 102,030.64 = 18,097.38 : x
  2. Step 2: Convert to fraction form
    68,015.36/102,030.64 = 18,097.38/x
  3. Step 3: Cross multiply
    68,015.36x = 102,030.64 × 18,097.38
  4. Step 4: Simplify right side
    68,015.36x = 1,846,487,263.72
  5. Step 5: Solve for x
    x = 1,846,487,263.72/68,015.36
  6. Step 6: Final answer
    x = 27,148.09

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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.