Home / 115,576.12-173,392.80-68,230

Finding the Fourth Proportional to 115,576.12, 173,392.80 and 68,230

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Solution

The fourth proportional to 115,576.12, 173,392.80 and 68,230 is: 102,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.12 : 173,392.80 = 68,230 : x
  2. Step 2: Convert to fraction form
    115,576.12/173,392.80 = 68,230/x
  3. Step 3: Cross multiply
    115,576.12x = 173,392.80 × 68,230
  4. Step 4: Simplify right side
    115,576.12x = 11,830,590,744
  5. Step 5: Solve for x
    x = 11,830,590,744/115,576.12
  6. Step 6: Final answer
    x = 102,361.90

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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.