Home / 135,618.98-187,154.24-75,190.37

Finding the Fourth Proportional to 135,618.98, 187,154.24 and 75,190.37

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Solution

The fourth proportional to 135,618.98, 187,154.24 and 75,190.37 is: 103,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,618.98 : 187,154.24 = 75,190.37 : x
  2. Step 2: Convert to fraction form
    135,618.98/187,154.24 = 75,190.37/x
  3. Step 3: Cross multiply
    135,618.98x = 187,154.24 × 75,190.37
  4. Step 4: Simplify right side
    135,618.98x = 14,072,195,240.95
  5. Step 5: Solve for x
    x = 14,072,195,240.95/135,618.98
  6. Step 6: Final answer
    x = 103,762.73

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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.