Home / 76,135.90-114,227.21-34,051.38

Finding the Fourth Proportional to 76,135.90, 114,227.21 and 34,051.38

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Solution

The fourth proportional to 76,135.90, 114,227.21 and 34,051.38 is: 51,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.90 : 114,227.21 = 34,051.38 : x
  2. Step 2: Convert to fraction form
    76,135.90/114,227.21 = 34,051.38/x
  3. Step 3: Cross multiply
    76,135.90x = 114,227.21 × 34,051.38
  4. Step 4: Simplify right side
    76,135.90x = 3,889,593,963.79
  5. Step 5: Solve for x
    x = 3,889,593,963.79/76,135.90
  6. Step 6: Final answer
    x = 51,087.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.