Home / 135,669.58-187,211.66-75,240.04

Finding the Fourth Proportional to 135,669.58, 187,211.66 and 75,240.04

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Solution

The fourth proportional to 135,669.58, 187,211.66 and 75,240.04 is: 103,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,669.58 : 187,211.66 = 75,240.04 : x
  2. Step 2: Convert to fraction form
    135,669.58/187,211.66 = 75,240.04/x
  3. Step 3: Cross multiply
    135,669.58x = 187,211.66 × 75,240.04
  4. Step 4: Simplify right side
    135,669.58x = 14,085,812,293.66
  5. Step 5: Solve for x
    x = 14,085,812,293.66/135,669.58
  6. Step 6: Final answer
    x = 103,824.39

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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.