Home / 135,628.35-187,159.62-75,195.46

Finding the Fourth Proportional to 135,628.35, 187,159.62 and 75,195.46

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Solution

The fourth proportional to 135,628.35, 187,159.62 and 75,195.46 is: 103,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,628.35 : 187,159.62 = 75,195.46 : x
  2. Step 2: Convert to fraction form
    135,628.35/187,159.62 = 75,195.46/x
  3. Step 3: Cross multiply
    135,628.35x = 187,159.62 × 75,195.46
  4. Step 4: Simplify right side
    135,628.35x = 14,073,553,719.33
  5. Step 5: Solve for x
    x = 14,073,553,719.33/135,628.35
  6. Step 6: Final answer
    x = 103,765.57

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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.