Home / 126,369.71-189,550.90-51,471.33

Finding the Fourth Proportional to 126,369.71, 189,550.90 and 51,471.33

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Solution

The fourth proportional to 126,369.71, 189,550.90 and 51,471.33 is: 77,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369.71 : 189,550.90 = 51,471.33 : x
  2. Step 2: Convert to fraction form
    126,369.71/189,550.90 = 51,471.33/x
  3. Step 3: Cross multiply
    126,369.71x = 189,550.90 × 51,471.33
  4. Step 4: Simplify right side
    126,369.71x = 9,756,436,925.70
  5. Step 5: Solve for x
    x = 9,756,436,925.70/126,369.71
  6. Step 6: Final answer
    x = 77,205.50

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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.