Home / 126,257.54-189,394.33-51,336.72

Finding the Fourth Proportional to 126,257.54, 189,394.33 and 51,336.72

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Solution

The fourth proportional to 126,257.54, 189,394.33 and 51,336.72 is: 77,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,257.54 : 189,394.33 = 51,336.72 : x
  2. Step 2: Convert to fraction form
    126,257.54/189,394.33 = 51,336.72/x
  3. Step 3: Cross multiply
    126,257.54x = 189,394.33 × 51,336.72
  4. Step 4: Simplify right side
    126,257.54x = 9,722,883,688.80
  5. Step 5: Solve for x
    x = 9,722,883,688.80/126,257.54
  6. Step 6: Final answer
    x = 77,008.34

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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.