Home / 225,595.13-311,321.27-134,954.91

Finding the Fourth Proportional to 225,595.13, 311,321.27 and 134,954.91

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Solution

The fourth proportional to 225,595.13, 311,321.27 and 134,954.91 is: 186,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,595.13 : 311,321.27 = 134,954.91 : x
  2. Step 2: Convert to fraction form
    225,595.13/311,321.27 = 134,954.91/x
  3. Step 3: Cross multiply
    225,595.13x = 311,321.27 × 134,954.91
  4. Step 4: Simplify right side
    225,595.13x = 42,014,334,311.32
  5. Step 5: Solve for x
    x = 42,014,334,311.32/225,595.13
  6. Step 6: Final answer
    x = 186,237.78

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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.