Home / 135,924.39-187,580.97-75,499.59

Finding the Fourth Proportional to 135,924.39, 187,580.97 and 75,499.59

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Solution

The fourth proportional to 135,924.39, 187,580.97 and 75,499.59 is: 104,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.39 : 187,580.97 = 75,499.59 : x
  2. Step 2: Convert to fraction form
    135,924.39/187,580.97 = 75,499.59/x
  3. Step 3: Cross multiply
    135,924.39x = 187,580.97 × 75,499.59
  4. Step 4: Simplify right side
    135,924.39x = 14,162,286,326.80
  5. Step 5: Solve for x
    x = 14,162,286,326.80/135,924.39
  6. Step 6: Final answer
    x = 104,192.38

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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.