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Finding the Fourth Proportional to 103,814.06, 143,263.37 and 56,067.39

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Solution

The fourth proportional to 103,814.06, 143,263.37 and 56,067.39 is: 77,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,814.06 : 143,263.37 = 56,067.39 : x
  2. Step 2: Convert to fraction form
    103,814.06/143,263.37 = 56,067.39/x
  3. Step 3: Cross multiply
    103,814.06x = 143,263.37 × 56,067.39
  4. Step 4: Simplify right side
    103,814.06x = 8,032,403,378.67
  5. Step 5: Solve for x
    x = 8,032,403,378.67/103,814.06
  6. Step 6: Final answer
    x = 77,372.99

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