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Finding the Fourth Proportional to 99,160.88, 136,842.01 and 54,448.88

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Solution

The fourth proportional to 99,160.88, 136,842.01 and 54,448.88 is: 75,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,160.88 : 136,842.01 = 54,448.88 : x
  2. Step 2: Convert to fraction form
    99,160.88/136,842.01 = 54,448.88/x
  3. Step 3: Cross multiply
    99,160.88x = 136,842.01 × 54,448.88
  4. Step 4: Simplify right side
    99,160.88x = 7,450,893,361.12
  5. Step 5: Solve for x
    x = 7,450,893,361.12/99,160.88
  6. Step 6: Final answer
    x = 75,139.45

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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.