Home / 135,184.75-186,556.13-74,759.46

Finding the Fourth Proportional to 135,184.75, 186,556.13 and 74,759.46

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Solution

The fourth proportional to 135,184.75, 186,556.13 and 74,759.46 is: 103,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.75 : 186,556.13 = 74,759.46 : x
  2. Step 2: Convert to fraction form
    135,184.75/186,556.13 = 74,759.46/x
  3. Step 3: Cross multiply
    135,184.75x = 186,556.13 × 74,759.46
  4. Step 4: Simplify right side
    135,184.75x = 13,946,834,745.46
  5. Step 5: Solve for x
    x = 13,946,834,745.46/135,184.75
  6. Step 6: Final answer
    x = 103,168.70

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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.