Home / 126,006.94-189,089.52-51,127.40

Finding the Fourth Proportional to 126,006.94, 189,089.52 and 51,127.40

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Solution

The fourth proportional to 126,006.94, 189,089.52 and 51,127.40 is: 76,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,006.94 : 189,089.52 = 51,127.40 : x
  2. Step 2: Convert to fraction form
    126,006.94/189,089.52 = 51,127.40/x
  3. Step 3: Cross multiply
    126,006.94x = 189,089.52 × 51,127.40
  4. Step 4: Simplify right side
    126,006.94x = 9,667,655,524.85
  5. Step 5: Solve for x
    x = 9,667,655,524.85/126,006.94
  6. Step 6: Final answer
    x = 76,723.20

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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.