Home / 132,942.85-183,528.80-102,660.19

Finding the Fourth Proportional to 132,942.85, 183,528.80 and 102,660.19

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Solution

The fourth proportional to 132,942.85, 183,528.80 and 102,660.19 is: 141,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.85 : 183,528.80 = 102,660.19 : x
  2. Step 2: Convert to fraction form
    132,942.85/183,528.80 = 102,660.19/x
  3. Step 3: Cross multiply
    132,942.85x = 183,528.80 × 102,660.19
  4. Step 4: Simplify right side
    132,942.85x = 18,841,100,965.17
  5. Step 5: Solve for x
    x = 18,841,100,965.17/132,942.85
  6. Step 6: Final answer
    x = 141,723.31

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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.