Home / 104,238.71-143,845.57-56,491.04

Finding the Fourth Proportional to 104,238.71, 143,845.57 and 56,491.04

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Solution

The fourth proportional to 104,238.71, 143,845.57 and 56,491.04 is: 77,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.71 : 143,845.57 = 56,491.04 : x
  2. Step 2: Convert to fraction form
    104,238.71/143,845.57 = 56,491.04/x
  3. Step 3: Cross multiply
    104,238.71x = 143,845.57 × 56,491.04
  4. Step 4: Simplify right side
    104,238.71x = 8,125,985,469.79
  5. Step 5: Solve for x
    x = 8,125,985,469.79/104,238.71
  6. Step 6: Final answer
    x = 77,955.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.