Home / 122,669.10-184,003.65-80,678.70

Finding the Fourth Proportional to 122,669.10, 184,003.65 and 80,678.70

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Solution

The fourth proportional to 122,669.10, 184,003.65 and 80,678.70 is: 121,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,669.10 : 184,003.65 = 80,678.70 : x
  2. Step 2: Convert to fraction form
    122,669.10/184,003.65 = 80,678.70/x
  3. Step 3: Cross multiply
    122,669.10x = 184,003.65 × 80,678.70
  4. Step 4: Simplify right side
    122,669.10x = 14,845,175,277.26
  5. Step 5: Solve for x
    x = 14,845,175,277.26/122,669.10
  6. Step 6: Final answer
    x = 121,018.05

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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.