Home / 262,134.87-393,206.63-75,146.37

Finding the Fourth Proportional to 262,134.87, 393,206.63 and 75,146.37

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Solution

The fourth proportional to 262,134.87, 393,206.63 and 75,146.37 is: 112,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,134.87 : 393,206.63 = 75,146.37 : x
  2. Step 2: Convert to fraction form
    262,134.87/393,206.63 = 75,146.37/x
  3. Step 3: Cross multiply
    262,134.87x = 393,206.63 × 75,146.37
  4. Step 4: Simplify right side
    262,134.87x = 29,548,050,528.70
  5. Step 5: Solve for x
    x = 29,548,050,528.70/262,134.87
  6. Step 6: Final answer
    x = 112,720.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.