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Finding the Fourth Proportional to 103,951.99, 143,453.65 and 56,205.22

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Solution

The fourth proportional to 103,951.99, 143,453.65 and 56,205.22 is: 77,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,951.99 : 143,453.65 = 56,205.22 : x
  2. Step 2: Convert to fraction form
    103,951.99/143,453.65 = 56,205.22/x
  3. Step 3: Cross multiply
    103,951.99x = 143,453.65 × 56,205.22
  4. Step 4: Simplify right side
    103,951.99x = 8,062,843,677.03
  5. Step 5: Solve for x
    x = 8,062,843,677.03/103,951.99
  6. Step 6: Final answer
    x = 77,563.15

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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.