Home / 104,279.73-143,906.22-56,533.29

Finding the Fourth Proportional to 104,279.73, 143,906.22 and 56,533.29

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Solution

The fourth proportional to 104,279.73, 143,906.22 and 56,533.29 is: 78,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,279.73 : 143,906.22 = 56,533.29 : x
  2. Step 2: Convert to fraction form
    104,279.73/143,906.22 = 56,533.29/x
  3. Step 3: Cross multiply
    104,279.73x = 143,906.22 × 56,533.29
  4. Step 4: Simplify right side
    104,279.73x = 8,135,492,068.06
  5. Step 5: Solve for x
    x = 8,135,492,068.06/104,279.73
  6. Step 6: Final answer
    x = 78,016.04

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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.