Home / 135,539.74-187,048.94-75,104.73

Finding the Fourth Proportional to 135,539.74, 187,048.94 and 75,104.73

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Solution

The fourth proportional to 135,539.74, 187,048.94 and 75,104.73 is: 103,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,539.74 : 187,048.94 = 75,104.73 : x
  2. Step 2: Convert to fraction form
    135,539.74/187,048.94 = 75,104.73/x
  3. Step 3: Cross multiply
    135,539.74x = 187,048.94 × 75,104.73
  4. Step 4: Simplify right side
    135,539.74x = 14,048,258,824.72
  5. Step 5: Solve for x
    x = 14,048,258,824.72/135,539.74
  6. Step 6: Final answer
    x = 103,646.79

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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.