Home / 122,733.60-184,208.40-72,751.20

Finding the Fourth Proportional to 122,733.60, 184,208.40 and 72,751.20

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Solution

The fourth proportional to 122,733.60, 184,208.40 and 72,751.20 is: 109,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,733.60 : 184,208.40 = 72,751.20 : x
  2. Step 2: Convert to fraction form
    122,733.60/184,208.40 = 72,751.20/x
  3. Step 3: Cross multiply
    122,733.60x = 184,208.40 × 72,751.20
  4. Step 4: Simplify right side
    122,733.60x = 13,401,382,150.08
  5. Step 5: Solve for x
    x = 13,401,382,150.08/122,733.60
  6. Step 6: Final answer
    x = 109,190.82

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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.