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Finding the Fourth Proportional to 134,885.36, 186,141.84 and 74,456.04

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Solution

The fourth proportional to 134,885.36, 186,141.84 and 74,456.04 is: 102,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885.36 : 186,141.84 = 74,456.04 : x
  2. Step 2: Convert to fraction form
    134,885.36/186,141.84 = 74,456.04/x
  3. Step 3: Cross multiply
    134,885.36x = 186,141.84 × 74,456.04
  4. Step 4: Simplify right side
    134,885.36x = 13,859,384,703.54
  5. Step 5: Solve for x
    x = 13,859,384,703.54/134,885.36
  6. Step 6: Final answer
    x = 102,749.36

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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.