Home / 104,296.20-143,929.44-56,550.28

Finding the Fourth Proportional to 104,296.20, 143,929.44 and 56,550.28

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Solution

The fourth proportional to 104,296.20, 143,929.44 and 56,550.28 is: 78,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.20 : 143,929.44 = 56,550.28 : x
  2. Step 2: Convert to fraction form
    104,296.20/143,929.44 = 56,550.28/x
  3. Step 3: Cross multiply
    104,296.20x = 143,929.44 × 56,550.28
  4. Step 4: Simplify right side
    104,296.20x = 8,139,250,132.24
  5. Step 5: Solve for x
    x = 8,139,250,132.24/104,296.20
  6. Step 6: Final answer
    x = 78,039.76

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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.