Home / 132,868.22-183,374.69-76,278.38

Finding the Fourth Proportional to 132,868.22, 183,374.69 and 76,278.38

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Solution

The fourth proportional to 132,868.22, 183,374.69 and 76,278.38 is: 105,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868.22 : 183,374.69 = 76,278.38 : x
  2. Step 2: Convert to fraction form
    132,868.22/183,374.69 = 76,278.38/x
  3. Step 3: Cross multiply
    132,868.22x = 183,374.69 × 76,278.38
  4. Step 4: Simplify right side
    132,868.22x = 13,987,522,987.94
  5. Step 5: Solve for x
    x = 13,987,522,987.94/132,868.22
  6. Step 6: Final answer
    x = 105,273.66

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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.