Home / 126,369.27-189,550.25-51,470.89

Finding the Fourth Proportional to 126,369.27, 189,550.25 and 51,470.89

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Solution

The fourth proportional to 126,369.27, 189,550.25 and 51,470.89 is: 77,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369.27 : 189,550.25 = 51,470.89 : x
  2. Step 2: Convert to fraction form
    126,369.27/189,550.25 = 51,470.89/x
  3. Step 3: Cross multiply
    126,369.27x = 189,550.25 × 51,470.89
  4. Step 4: Simplify right side
    126,369.27x = 9,756,319,529.01
  5. Step 5: Solve for x
    x = 9,756,319,529.01/126,369.27
  6. Step 6: Final answer
    x = 77,204.84

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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.