Home / 135,069.35-186,406.92-74,651.79

Finding the Fourth Proportional to 135,069.35, 186,406.92 and 74,651.79

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Solution

The fourth proportional to 135,069.35, 186,406.92 and 74,651.79 is: 103,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,069.35 : 186,406.92 = 74,651.79 : x
  2. Step 2: Convert to fraction form
    135,069.35/186,406.92 = 74,651.79/x
  3. Step 3: Cross multiply
    135,069.35x = 186,406.92 × 74,651.79
  4. Step 4: Simplify right side
    135,069.35x = 13,915,610,246.39
  5. Step 5: Solve for x
    x = 13,915,610,246.39/135,069.35
  6. Step 6: Final answer
    x = 103,025.67

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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.