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Finding the Fourth Proportional to 103,633.19, 143,013.08 and 58,921.19

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Solution

The fourth proportional to 103,633.19, 143,013.08 and 58,921.19 is: 81,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.19 : 143,013.08 = 58,921.19 : x
  2. Step 2: Convert to fraction form
    103,633.19/143,013.08 = 58,921.19/x
  3. Step 3: Cross multiply
    103,633.19x = 143,013.08 × 58,921.19
  4. Step 4: Simplify right side
    103,633.19x = 8,426,500,859.17
  5. Step 5: Solve for x
    x = 8,426,500,859.17/103,633.19
  6. Step 6: Final answer
    x = 81,310.83

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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.