Home / 135,960.17-187,604.24-75,525.26

Finding the Fourth Proportional to 135,960.17, 187,604.24 and 75,525.26

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Solution

The fourth proportional to 135,960.17, 187,604.24 and 75,525.26 is: 104,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960.17 : 187,604.24 = 75,525.26 : x
  2. Step 2: Convert to fraction form
    135,960.17/187,604.24 = 75,525.26/x
  3. Step 3: Cross multiply
    135,960.17x = 187,604.24 × 75,525.26
  4. Step 4: Simplify right side
    135,960.17x = 14,168,857,687.45
  5. Step 5: Solve for x
    x = 14,168,857,687.45/135,960.17
  6. Step 6: Final answer
    x = 104,213.30

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1.5x scale

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.