Home / 132,936.86-183,448.40-79,194.04

Finding the Fourth Proportional to 132,936.86, 183,448.40 and 79,194.04

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Solution

The fourth proportional to 132,936.86, 183,448.40 and 79,194.04 is: 109,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,936.86 : 183,448.40 = 79,194.04 : x
  2. Step 2: Convert to fraction form
    132,936.86/183,448.40 = 79,194.04/x
  3. Step 3: Cross multiply
    132,936.86x = 183,448.40 × 79,194.04
  4. Step 4: Simplify right side
    132,936.86x = 14,528,019,072.94
  5. Step 5: Solve for x
    x = 14,528,019,072.94/132,936.86
  6. Step 6: Final answer
    x = 109,285.11

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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.