Home / 81,444.24-122,166.77-53,540.55

Finding the Fourth Proportional to 81,444.24, 122,166.77 and 53,540.55

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Solution

The fourth proportional to 81,444.24, 122,166.77 and 53,540.55 is: 80,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,444.24 : 122,166.77 = 53,540.55 : x
  2. Step 2: Convert to fraction form
    81,444.24/122,166.77 = 53,540.55/x
  3. Step 3: Cross multiply
    81,444.24x = 122,166.77 × 53,540.55
  4. Step 4: Simplify right side
    81,444.24x = 6,540,875,789.82
  5. Step 5: Solve for x
    x = 6,540,875,789.82/81,444.24
  6. Step 6: Final answer
    x = 80,311.09

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1.5x scale

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.