Home / 135,576.35-187,106.57-75,165.95

Finding the Fourth Proportional to 135,576.35, 187,106.57 and 75,165.95

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Solution

The fourth proportional to 135,576.35, 187,106.57 and 75,165.95 is: 103,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,576.35 : 187,106.57 = 75,165.95 : x
  2. Step 2: Convert to fraction form
    135,576.35/187,106.57 = 75,165.95/x
  3. Step 3: Cross multiply
    135,576.35x = 187,106.57 × 75,165.95
  4. Step 4: Simplify right side
    135,576.35x = 14,064,041,773.93
  5. Step 5: Solve for x
    x = 14,064,041,773.93/135,576.35
  6. Step 6: Final answer
    x = 103,735.22

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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.