Home / 126,243.37-189,232.10-41,980.89

Finding the Fourth Proportional to 126,243.37, 189,232.10 and 41,980.89

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Solution

The fourth proportional to 126,243.37, 189,232.10 and 41,980.89 is: 62,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,243.37 : 189,232.10 = 41,980.89 : x
  2. Step 2: Convert to fraction form
    126,243.37/189,232.10 = 41,980.89/x
  3. Step 3: Cross multiply
    126,243.37x = 189,232.10 × 41,980.89
  4. Step 4: Simplify right side
    126,243.37x = 7,944,131,974.57
  5. Step 5: Solve for x
    x = 7,944,131,974.57/126,243.37
  6. Step 6: Final answer
    x = 62,927.12

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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.