Home / 126,311.97-189,527.04-55,225.40

Finding the Fourth Proportional to 126,311.97, 189,527.04 and 55,225.40

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Solution

The fourth proportional to 126,311.97, 189,527.04 and 55,225.40 is: 82,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.97 : 189,527.04 = 55,225.40 : x
  2. Step 2: Convert to fraction form
    126,311.97/189,527.04 = 55,225.40/x
  3. Step 3: Cross multiply
    126,311.97x = 189,527.04 × 55,225.40
  4. Step 4: Simplify right side
    126,311.97x = 10,466,705,647.18
  5. Step 5: Solve for x
    x = 10,466,705,647.18/126,311.97
  6. Step 6: Final answer
    x = 82,863.92

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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.