Home / 242,591.22-363,869.55-90,759.42

Finding the Fourth Proportional to 242,591.22, 363,869.55 and 90,759.42

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Solution

The fourth proportional to 242,591.22, 363,869.55 and 90,759.42 is: 136,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,591.22 : 363,869.55 = 90,759.42 : x
  2. Step 2: Convert to fraction form
    242,591.22/363,869.55 = 90,759.42/x
  3. Step 3: Cross multiply
    242,591.22x = 363,869.55 × 90,759.42
  4. Step 4: Simplify right side
    242,591.22x = 33,024,589,313.66
  5. Step 5: Solve for x
    x = 33,024,589,313.66/242,591.22
  6. Step 6: Final answer
    x = 136,132.67

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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.