Home / 132,704.30-183,198.04-87,411.54

Finding the Fourth Proportional to 132,704.30, 183,198.04 and 87,411.54

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Solution

The fourth proportional to 132,704.30, 183,198.04 and 87,411.54 is: 120,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.30 : 183,198.04 = 87,411.54 : x
  2. Step 2: Convert to fraction form
    132,704.30/183,198.04 = 87,411.54/x
  3. Step 3: Cross multiply
    132,704.30x = 183,198.04 × 87,411.54
  4. Step 4: Simplify right side
    132,704.30x = 16,013,622,801.38
  5. Step 5: Solve for x
    x = 16,013,622,801.38/132,704.30
  6. Step 6: Final answer
    x = 120,671.47

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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.