Home / 126,552.24-189,880.76-55,438.14

Finding the Fourth Proportional to 126,552.24, 189,880.76 and 55,438.14

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Solution

The fourth proportional to 126,552.24, 189,880.76 and 55,438.14 is: 83,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.24 : 189,880.76 = 55,438.14 : x
  2. Step 2: Convert to fraction form
    126,552.24/189,880.76 = 55,438.14/x
  3. Step 3: Cross multiply
    126,552.24x = 189,880.76 × 55,438.14
  4. Step 4: Simplify right side
    126,552.24x = 10,526,635,879.00
  5. Step 5: Solve for x
    x = 10,526,635,879.00/126,552.24
  6. Step 6: Final answer
    x = 83,180.16

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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.