Home / 126,190.20-189,285.30-94,697.40

Finding the Fourth Proportional to 126,190.20, 189,285.30 and 94,697.40

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Solution

The fourth proportional to 126,190.20, 189,285.30 and 94,697.40 is: 142,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.20 : 189,285.30 = 94,697.40 : x
  2. Step 2: Convert to fraction form
    126,190.20/189,285.30 = 94,697.40/x
  3. Step 3: Cross multiply
    126,190.20x = 189,285.30 × 94,697.40
  4. Step 4: Simplify right side
    126,190.20x = 17,924,825,768.22
  5. Step 5: Solve for x
    x = 17,924,825,768.22/126,190.20
  6. Step 6: Final answer
    x = 142,046.10

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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.