Home / 135,616.74-187,150.79-75,185.83

Finding the Fourth Proportional to 135,616.74, 187,150.79 and 75,185.83

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Solution

The fourth proportional to 135,616.74, 187,150.79 and 75,185.83 is: 103,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,616.74 : 187,150.79 = 75,185.83 : x
  2. Step 2: Convert to fraction form
    135,616.74/187,150.79 = 75,185.83/x
  3. Step 3: Cross multiply
    135,616.74x = 187,150.79 × 75,185.83
  4. Step 4: Simplify right side
    135,616.74x = 14,071,086,427.57
  5. Step 5: Solve for x
    x = 14,071,086,427.57/135,616.74
  6. Step 6: Final answer
    x = 103,756.27

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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.