Home / 132,757.05-183,121.02-79,001.94

Finding the Fourth Proportional to 132,757.05, 183,121.02 and 79,001.94

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Solution

The fourth proportional to 132,757.05, 183,121.02 and 79,001.94 is: 108,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,757.05 : 183,121.02 = 79,001.94 : x
  2. Step 2: Convert to fraction form
    132,757.05/183,121.02 = 79,001.94/x
  3. Step 3: Cross multiply
    132,757.05x = 183,121.02 × 79,001.94
  4. Step 4: Simplify right side
    132,757.05x = 14,466,915,834.78
  5. Step 5: Solve for x
    x = 14,466,915,834.78/132,757.05
  6. Step 6: Final answer
    x = 108,972.86

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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.