Home / 122,993.55-184,490.33-109,215.45

Finding the Fourth Proportional to 122,993.55, 184,490.33 and 109,215.45

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Solution

The fourth proportional to 122,993.55, 184,490.33 and 109,215.45 is: 163,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,993.55 : 184,490.33 = 109,215.45 : x
  2. Step 2: Convert to fraction form
    122,993.55/184,490.33 = 109,215.45/x
  3. Step 3: Cross multiply
    122,993.55x = 184,490.33 × 109,215.45
  4. Step 4: Simplify right side
    122,993.55x = 20,149,193,865.52
  5. Step 5: Solve for x
    x = 20,149,193,865.52/122,993.55
  6. Step 6: Final answer
    x = 163,823.18

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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.