Home / 126,434.51-189,651.06-51,554.37

Finding the Fourth Proportional to 126,434.51, 189,651.06 and 51,554.37

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Solution

The fourth proportional to 126,434.51, 189,651.06 and 51,554.37 is: 77,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.51 : 189,651.06 = 51,554.37 : x
  2. Step 2: Convert to fraction form
    126,434.51/189,651.06 = 51,554.37/x
  3. Step 3: Cross multiply
    126,434.51x = 189,651.06 × 51,554.37
  4. Step 4: Simplify right side
    126,434.51x = 9,777,340,206.94
  5. Step 5: Solve for x
    x = 9,777,340,206.94/126,434.51
  6. Step 6: Final answer
    x = 77,331.26

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1.5x scale

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.