Home / 132,851.14-198,438.61-111,855.94

Finding the Fourth Proportional to 132,851.14, 198,438.61 and 111,855.94

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Solution

The fourth proportional to 132,851.14, 198,438.61 and 111,855.94 is: 167,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851.14 : 198,438.61 = 111,855.94 : x
  2. Step 2: Convert to fraction form
    132,851.14/198,438.61 = 111,855.94/x
  3. Step 3: Cross multiply
    132,851.14x = 198,438.61 × 111,855.94
  4. Step 4: Simplify right side
    132,851.14x = 22,196,537,253.84
  5. Step 5: Solve for x
    x = 22,196,537,253.84/132,851.14
  6. Step 6: Final answer
    x = 167,078.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.