Home / 215,993.04-324,134.18-89,633.42

Finding the Fourth Proportional to 215,993.04, 324,134.18 and 89,633.42

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Solution

The fourth proportional to 215,993.04, 324,134.18 and 89,633.42 is: 134,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,993.04 : 324,134.18 = 89,633.42 : x
  2. Step 2: Convert to fraction form
    215,993.04/324,134.18 = 89,633.42/x
  3. Step 3: Cross multiply
    215,993.04x = 324,134.18 × 89,633.42
  4. Step 4: Simplify right side
    215,993.04x = 29,053,253,023.46
  5. Step 5: Solve for x
    x = 29,053,253,023.46/215,993.04
  6. Step 6: Final answer
    x = 134,510.14

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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.