Home / 122,686.10-184,029.15-80,695.70

Finding the Fourth Proportional to 122,686.10, 184,029.15 and 80,695.70

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Solution

The fourth proportional to 122,686.10, 184,029.15 and 80,695.70 is: 121,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686.10 : 184,029.15 = 80,695.70 : x
  2. Step 2: Convert to fraction form
    122,686.10/184,029.15 = 80,695.70/x
  3. Step 3: Cross multiply
    122,686.10x = 184,029.15 × 80,695.70
  4. Step 4: Simplify right side
    122,686.10x = 14,850,361,079.66
  5. Step 5: Solve for x
    x = 14,850,361,079.66/122,686.10
  6. Step 6: Final answer
    x = 121,043.55

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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.