Home / 126,125.64-189,225-37,380.84

Finding the Fourth Proportional to 126,125.64, 189,225 and 37,380.84

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Solution

The fourth proportional to 126,125.64, 189,225 and 37,380.84 is: 56,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.64 : 189,225 = 37,380.84 : x
  2. Step 2: Convert to fraction form
    126,125.64/189,225 = 37,380.84/x
  3. Step 3: Cross multiply
    126,125.64x = 189,225 × 37,380.84
  4. Step 4: Simplify right side
    126,125.64x = 7,073,389,449.00
  5. Step 5: Solve for x
    x = 7,073,389,449.00/126,125.64
  6. Step 6: Final answer
    x = 56,082.09

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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.