Home / 180,813.20-271,022.76-154,437.92

Finding the Fourth Proportional to 180,813.20, 271,022.76 and 154,437.92

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Solution

The fourth proportional to 180,813.20, 271,022.76 and 154,437.92 is: 231,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,813.20 : 271,022.76 = 154,437.92 : x
  2. Step 2: Convert to fraction form
    180,813.20/271,022.76 = 154,437.92/x
  3. Step 3: Cross multiply
    180,813.20x = 271,022.76 × 154,437.92
  4. Step 4: Simplify right side
    180,813.20x = 41,856,191,327.06
  5. Step 5: Solve for x
    x = 41,856,191,327.06/180,813.20
  6. Step 6: Final answer
    x = 231,488.58

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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.