Home / 126,840.54-175,039.56-70,251.90

Finding the Fourth Proportional to 126,840.54, 175,039.56 and 70,251.90

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Solution

The fourth proportional to 126,840.54, 175,039.56 and 70,251.90 is: 96,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,840.54 : 175,039.56 = 70,251.90 : x
  2. Step 2: Convert to fraction form
    126,840.54/175,039.56 = 70,251.90/x
  3. Step 3: Cross multiply
    126,840.54x = 175,039.56 × 70,251.90
  4. Step 4: Simplify right side
    126,840.54x = 12,296,861,665.16
  5. Step 5: Solve for x
    x = 12,296,861,665.16/126,840.54
  6. Step 6: Final answer
    x = 96,947.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.