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Finding the Fourth Proportional to 104,265.82, 143,793.93 and 81,301.33

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Solution

The fourth proportional to 104,265.82, 143,793.93 and 81,301.33 is: 112,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.82 : 143,793.93 = 81,301.33 : x
  2. Step 2: Convert to fraction form
    104,265.82/143,793.93 = 81,301.33/x
  3. Step 3: Cross multiply
    104,265.82x = 143,793.93 × 81,301.33
  4. Step 4: Simplify right side
    104,265.82x = 11,690,637,754.93
  5. Step 5: Solve for x
    x = 11,690,637,754.93/104,265.82
  6. Step 6: Final answer
    x = 112,123.40

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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.