Home / 132,761.84-183,120.24-79,005.38

Finding the Fourth Proportional to 132,761.84, 183,120.24 and 79,005.38

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Solution

The fourth proportional to 132,761.84, 183,120.24 and 79,005.38 is: 108,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,761.84 : 183,120.24 = 79,005.38 : x
  2. Step 2: Convert to fraction form
    132,761.84/183,120.24 = 79,005.38/x
  3. Step 3: Cross multiply
    132,761.84x = 183,120.24 × 79,005.38
  4. Step 4: Simplify right side
    132,761.84x = 14,467,483,527.56
  5. Step 5: Solve for x
    x = 14,467,483,527.56/132,761.84
  6. Step 6: Final answer
    x = 108,973.21

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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.