Home / 135,576.34-187,106.56-75,165.94

Finding the Fourth Proportional to 135,576.34, 187,106.56 and 75,165.94

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Solution

The fourth proportional to 135,576.34, 187,106.56 and 75,165.94 is: 103,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,576.34 : 187,106.56 = 75,165.94 : x
  2. Step 2: Convert to fraction form
    135,576.34/187,106.56 = 75,165.94/x
  3. Step 3: Cross multiply
    135,576.34x = 187,106.56 × 75,165.94
  4. Step 4: Simplify right side
    135,576.34x = 14,064,040,462.57
  5. Step 5: Solve for x
    x = 14,064,040,462.57/135,576.34
  6. Step 6: Final answer
    x = 103,735.21

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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.