Home / 126,453.86-189,680.79-37,769.64

Finding the Fourth Proportional to 126,453.86, 189,680.79 and 37,769.64

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Solution

The fourth proportional to 126,453.86, 189,680.79 and 37,769.64 is: 56,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,453.86 : 189,680.79 = 37,769.64 : x
  2. Step 2: Convert to fraction form
    126,453.86/189,680.79 = 37,769.64/x
  3. Step 3: Cross multiply
    126,453.86x = 189,680.79 × 37,769.64
  4. Step 4: Simplify right side
    126,453.86x = 7,164,175,438.05
  5. Step 5: Solve for x
    x = 7,164,175,438.05/126,453.86
  6. Step 6: Final answer
    x = 56,654.46

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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.