Home / 201,384.23-301,887.68-68,171.22

Finding the Fourth Proportional to 201,384.23, 301,887.68 and 68,171.22

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Solution

The fourth proportional to 201,384.23, 301,887.68 and 68,171.22 is: 102,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,384.23 : 301,887.68 = 68,171.22 : x
  2. Step 2: Convert to fraction form
    201,384.23/301,887.68 = 68,171.22/x
  3. Step 3: Cross multiply
    201,384.23x = 301,887.68 × 68,171.22
  4. Step 4: Simplify right side
    201,384.23x = 20,580,051,107.71
  5. Step 5: Solve for x
    x = 20,580,051,107.71/201,384.23
  6. Step 6: Final answer
    x = 102,192.97

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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.