Home / 103,917.29-155,650.37-63,814.57

Finding the Fourth Proportional to 103,917.29, 155,650.37 and 63,814.57

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Solution

The fourth proportional to 103,917.29, 155,650.37 and 63,814.57 is: 95,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,917.29 : 155,650.37 = 63,814.57 : x
  2. Step 2: Convert to fraction form
    103,917.29/155,650.37 = 63,814.57/x
  3. Step 3: Cross multiply
    103,917.29x = 155,650.37 × 63,814.57
  4. Step 4: Simplify right side
    103,917.29x = 9,932,760,723.69
  5. Step 5: Solve for x
    x = 9,932,760,723.69/103,917.29
  6. Step 6: Final answer
    x = 95,583.34

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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.