Home / 126,393.73-189,625.23-55,303.48

Finding the Fourth Proportional to 126,393.73, 189,625.23 and 55,303.48

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Solution

The fourth proportional to 126,393.73, 189,625.23 and 55,303.48 is: 82,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,393.73 : 189,625.23 = 55,303.48 : x
  2. Step 2: Convert to fraction form
    126,393.73/189,625.23 = 55,303.48/x
  3. Step 3: Cross multiply
    126,393.73x = 189,625.23 × 55,303.48
  4. Step 4: Simplify right side
    126,393.73x = 10,486,935,114.80
  5. Step 5: Solve for x
    x = 10,486,935,114.80/126,393.73
  6. Step 6: Final answer
    x = 82,970.37

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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.