Home / 242,620.11-334,811.24-135,187.85

Finding the Fourth Proportional to 242,620.11, 334,811.24 and 135,187.85

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Solution

The fourth proportional to 242,620.11, 334,811.24 and 135,187.85 is: 186,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,620.11 : 334,811.24 = 135,187.85 : x
  2. Step 2: Convert to fraction form
    242,620.11/334,811.24 = 135,187.85/x
  3. Step 3: Cross multiply
    242,620.11x = 334,811.24 × 135,187.85
  4. Step 4: Simplify right side
    242,620.11x = 45,262,412,359.48
  5. Step 5: Solve for x
    x = 45,262,412,359.48/242,620.11
  6. Step 6: Final answer
    x = 186,556.72

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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.