Home / 155,511.30-214,305.94-113,002.50

Finding the Fourth Proportional to 155,511.30, 214,305.94 and 113,002.50

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Solution

The fourth proportional to 155,511.30, 214,305.94 and 113,002.50 is: 155,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,511.30 : 214,305.94 = 113,002.50 : x
  2. Step 2: Convert to fraction form
    155,511.30/214,305.94 = 113,002.50/x
  3. Step 3: Cross multiply
    155,511.30x = 214,305.94 × 113,002.50
  4. Step 4: Simplify right side
    155,511.30x = 24,217,106,984.85
  5. Step 5: Solve for x
    x = 24,217,106,984.85/155,511.30
  6. Step 6: Final answer
    x = 155,725.71

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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.