Home / 126,393.41-189,479.05-51,576.55

Finding the Fourth Proportional to 126,393.41, 189,479.05 and 51,576.55

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Solution

The fourth proportional to 126,393.41, 189,479.05 and 51,576.55 is: 77,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,393.41 : 189,479.05 = 51,576.55 : x
  2. Step 2: Convert to fraction form
    126,393.41/189,479.05 = 51,576.55/x
  3. Step 3: Cross multiply
    126,393.41x = 189,479.05 × 51,576.55
  4. Step 4: Simplify right side
    126,393.41x = 9,772,675,093.64
  5. Step 5: Solve for x
    x = 9,772,675,093.64/126,393.41
  6. Step 6: Final answer
    x = 77,319.50

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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.