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Finding the Fourth Proportional to 132,956.82, 183,548.13 and 102,674.16

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Solution

The fourth proportional to 132,956.82, 183,548.13 and 102,674.16 is: 141,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,956.82 : 183,548.13 = 102,674.16 : x
  2. Step 2: Convert to fraction form
    132,956.82/183,548.13 = 102,674.16/x
  3. Step 3: Cross multiply
    132,956.82x = 183,548.13 × 102,674.16
  4. Step 4: Simplify right side
    132,956.82x = 18,845,650,067.32
  5. Step 5: Solve for x
    x = 18,845,650,067.32/132,956.82
  6. Step 6: Final answer
    x = 141,742.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.