Home / 215,994.04-324,135.68-89,634.42

Finding the Fourth Proportional to 215,994.04, 324,135.68 and 89,634.42

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Solution

The fourth proportional to 215,994.04, 324,135.68 and 89,634.42 is: 134,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,994.04 : 324,135.68 = 89,634.42 : x
  2. Step 2: Convert to fraction form
    215,994.04/324,135.68 = 89,634.42/x
  3. Step 3: Cross multiply
    215,994.04x = 324,135.68 × 89,634.42
  4. Step 4: Simplify right side
    215,994.04x = 29,053,713,678.11
  5. Step 5: Solve for x
    x = 29,053,713,678.11/215,994.04
  6. Step 6: Final answer
    x = 134,511.65

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1.5x scale

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.