Home / 122,742.33-184,204.75-91,225.77

Finding the Fourth Proportional to 122,742.33, 184,204.75 and 91,225.77

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Solution

The fourth proportional to 122,742.33, 184,204.75 and 91,225.77 is: 136,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,742.33 : 184,204.75 = 91,225.77 : x
  2. Step 2: Convert to fraction form
    122,742.33/184,204.75 = 91,225.77/x
  3. Step 3: Cross multiply
    122,742.33x = 184,204.75 × 91,225.77
  4. Step 4: Simplify right side
    122,742.33x = 16,804,220,156.41
  5. Step 5: Solve for x
    x = 16,804,220,156.41/122,742.33
  6. Step 6: Final answer
    x = 136,906.48

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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.