Home / 122,940.20-184,385.10-34,171.40

Finding the Fourth Proportional to 122,940.20, 184,385.10 and 34,171.40

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Solution

The fourth proportional to 122,940.20, 184,385.10 and 34,171.40 is: 51,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,940.20 : 184,385.10 = 34,171.40 : x
  2. Step 2: Convert to fraction form
    122,940.20/184,385.10 = 34,171.40/x
  3. Step 3: Cross multiply
    122,940.20x = 184,385.10 × 34,171.40
  4. Step 4: Simplify right side
    122,940.20x = 6,300,697,006.14
  5. Step 5: Solve for x
    x = 6,300,697,006.14/122,940.20
  6. Step 6: Final answer
    x = 51,250.10

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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.