Home / 122,076.82-183,173.55-77,753.62

Finding the Fourth Proportional to 122,076.82, 183,173.55 and 77,753.62

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Solution

The fourth proportional to 122,076.82, 183,173.55 and 77,753.62 is: 116,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,076.82 : 183,173.55 = 77,753.62 : x
  2. Step 2: Convert to fraction form
    122,076.82/183,173.55 = 77,753.62/x
  3. Step 3: Cross multiply
    122,076.82x = 183,173.55 × 77,753.62
  4. Step 4: Simplify right side
    122,076.82x = 14,242,406,600.75
  5. Step 5: Solve for x
    x = 14,242,406,600.75/122,076.82
  6. Step 6: Final answer
    x = 116,667.58

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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.