Home / 126,006.81-189,089.34-51,127.27

Finding the Fourth Proportional to 126,006.81, 189,089.34 and 51,127.27

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Solution

The fourth proportional to 126,006.81, 189,089.34 and 51,127.27 is: 76,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,006.81 : 189,089.34 = 51,127.27 : x
  2. Step 2: Convert to fraction form
    126,006.81/189,089.34 = 51,127.27/x
  3. Step 3: Cross multiply
    126,006.81x = 189,089.34 × 51,127.27
  4. Step 4: Simplify right side
    126,006.81x = 9,667,621,075.85
  5. Step 5: Solve for x
    x = 9,667,621,075.85/126,006.81
  6. Step 6: Final answer
    x = 76,723.01

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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.