Home / 135,934.68-204,026.55-72,826.05

Finding the Fourth Proportional to 135,934.68, 204,026.55 and 72,826.05

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Solution

The fourth proportional to 135,934.68, 204,026.55 and 72,826.05 is: 109,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.68 : 204,026.55 = 72,826.05 : x
  2. Step 2: Convert to fraction form
    135,934.68/204,026.55 = 72,826.05/x
  3. Step 3: Cross multiply
    135,934.68x = 204,026.55 × 72,826.05
  4. Step 4: Simplify right side
    135,934.68x = 14,858,447,731.63
  5. Step 5: Solve for x
    x = 14,858,447,731.63/135,934.68
  6. Step 6: Final answer
    x = 109,305.79

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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.