Home / 104,142.54-143,716.84-56,395.96

Finding the Fourth Proportional to 104,142.54, 143,716.84 and 56,395.96

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Solution

The fourth proportional to 104,142.54, 143,716.84 and 56,395.96 is: 77,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,142.54 : 143,716.84 = 56,395.96 : x
  2. Step 2: Convert to fraction form
    104,142.54/143,716.84 = 56,395.96/x
  3. Step 3: Cross multiply
    104,142.54x = 143,716.84 × 56,395.96
  4. Step 4: Simplify right side
    104,142.54x = 8,105,049,159.97
  5. Step 5: Solve for x
    x = 8,105,049,159.97/104,142.54
  6. Step 6: Final answer
    x = 77,826.50

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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.