Home / 123,234.20-184,937.70-78,968.60

Finding the Fourth Proportional to 123,234.20, 184,937.70 and 78,968.60

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Solution

The fourth proportional to 123,234.20, 184,937.70 and 78,968.60 is: 118,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,234.20 : 184,937.70 = 78,968.60 : x
  2. Step 2: Convert to fraction form
    123,234.20/184,937.70 = 78,968.60/x
  3. Step 3: Cross multiply
    123,234.20x = 184,937.70 × 78,968.60
  4. Step 4: Simplify right side
    123,234.20x = 14,604,271,256.22
  5. Step 5: Solve for x
    x = 14,604,271,256.22/123,234.20
  6. Step 6: Final answer
    x = 118,508.27

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1.5x scale

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.