Home / 122,919.40-184,184.70-103,090.60

Finding the Fourth Proportional to 122,919.40, 184,184.70 and 103,090.60

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Solution

The fourth proportional to 122,919.40, 184,184.70 and 103,090.60 is: 154,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,919.40 : 184,184.70 = 103,090.60 : x
  2. Step 2: Convert to fraction form
    122,919.40/184,184.70 = 103,090.60/x
  3. Step 3: Cross multiply
    122,919.40x = 184,184.70 × 103,090.60
  4. Step 4: Simplify right side
    122,919.40x = 18,987,711,233.82
  5. Step 5: Solve for x
    x = 18,987,711,233.82/122,919.40
  6. Step 6: Final answer
    x = 154,472.86

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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.