Home / 123,227.20-184,927.20-78,961.60

Finding the Fourth Proportional to 123,227.20, 184,927.20 and 78,961.60

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Solution

The fourth proportional to 123,227.20, 184,927.20 and 78,961.60 is: 118,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,227.20 : 184,927.20 = 78,961.60 : x
  2. Step 2: Convert to fraction form
    123,227.20/184,927.20 = 78,961.60/x
  3. Step 3: Cross multiply
    123,227.20x = 184,927.20 × 78,961.60
  4. Step 4: Simplify right side
    123,227.20x = 14,602,147,595.52
  5. Step 5: Solve for x
    x = 14,602,147,595.52/123,227.20
  6. Step 6: Final answer
    x = 118,497.76

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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.