Home / 208,332.72-312,537.96-68,099.04

Finding the Fourth Proportional to 208,332.72, 312,537.96 and 68,099.04

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Solution

The fourth proportional to 208,332.72, 312,537.96 and 68,099.04 is: 102,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,332.72 : 312,537.96 = 68,099.04 : x
  2. Step 2: Convert to fraction form
    208,332.72/312,537.96 = 68,099.04/x
  3. Step 3: Cross multiply
    208,332.72x = 312,537.96 × 68,099.04
  4. Step 4: Simplify right side
    208,332.72x = 21,283,535,039.56
  5. Step 5: Solve for x
    x = 21,283,535,039.56/208,332.72
  6. Step 6: Final answer
    x = 102,161.27

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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.