Home / 76,137.33-113,966.10-68,113.43

Finding the Fourth Proportional to 76,137.33, 113,966.10 and 68,113.43

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Solution

The fourth proportional to 76,137.33, 113,966.10 and 68,113.43 is: 101,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.33 : 113,966.10 = 68,113.43 : x
  2. Step 2: Convert to fraction form
    76,137.33/113,966.10 = 68,113.43/x
  3. Step 3: Cross multiply
    76,137.33x = 113,966.10 × 68,113.43
  4. Step 4: Simplify right side
    76,137.33x = 7,762,621,832.27
  5. Step 5: Solve for x
    x = 7,762,621,832.27/76,137.33
  6. Step 6: Final answer
    x = 101,955.52

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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.