Home / 189,913.14-262,069.46-103,855.04

Finding the Fourth Proportional to 189,913.14, 262,069.46 and 103,855.04

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Solution

The fourth proportional to 189,913.14, 262,069.46 and 103,855.04 is: 143,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,913.14 : 262,069.46 = 103,855.04 : x
  2. Step 2: Convert to fraction form
    189,913.14/262,069.46 = 103,855.04/x
  3. Step 3: Cross multiply
    189,913.14x = 262,069.46 × 103,855.04
  4. Step 4: Simplify right side
    189,913.14x = 27,217,234,251.08
  5. Step 5: Solve for x
    x = 27,217,234,251.08/189,913.14
  6. Step 6: Final answer
    x = 143,314.12

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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.