Home / 189,282.94-261,209.96-108,715.69

Finding the Fourth Proportional to 189,282.94, 261,209.96 and 108,715.69

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Solution

The fourth proportional to 189,282.94, 261,209.96 and 108,715.69 is: 150,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,282.94 : 261,209.96 = 108,715.69 : x
  2. Step 2: Convert to fraction form
    189,282.94/261,209.96 = 108,715.69/x
  3. Step 3: Cross multiply
    189,282.94x = 261,209.96 × 108,715.69
  4. Step 4: Simplify right side
    189,282.94x = 28,397,620,492.69
  5. Step 5: Solve for x
    x = 28,397,620,492.69/189,282.94
  6. Step 6: Final answer
    x = 150,027.36

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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.