Home / 126,395.48-189,035.52-112,453.35

Finding the Fourth Proportional to 126,395.48, 189,035.52 and 112,453.35

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Solution

The fourth proportional to 126,395.48, 189,035.52 and 112,453.35 is: 168,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,395.48 : 189,035.52 = 112,453.35 : x
  2. Step 2: Convert to fraction form
    126,395.48/189,035.52 = 112,453.35/x
  3. Step 3: Cross multiply
    126,395.48x = 189,035.52 × 112,453.35
  4. Step 4: Simplify right side
    126,395.48x = 21,257,677,492.99
  5. Step 5: Solve for x
    x = 21,257,677,492.99/126,395.48
  6. Step 6: Final answer
    x = 168,183.85

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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.