Home / 122,665.35-184,490.10-109,871.40

Finding the Fourth Proportional to 122,665.35, 184,490.10 and 109,871.40

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Solution

The fourth proportional to 122,665.35, 184,490.10 and 109,871.40 is: 165,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,665.35 : 184,490.10 = 109,871.40 : x
  2. Step 2: Convert to fraction form
    122,665.35/184,490.10 = 109,871.40/x
  3. Step 3: Cross multiply
    122,665.35x = 184,490.10 × 109,871.40
  4. Step 4: Simplify right side
    122,665.35x = 20,270,185,573.14
  5. Step 5: Solve for x
    x = 20,270,185,573.14/122,665.35
  6. Step 6: Final answer
    x = 165,247.85

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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.