Home / 109,902.52-151,733.62-84,360

Finding the Fourth Proportional to 109,902.52, 151,733.62 and 84,360

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Solution

The fourth proportional to 109,902.52, 151,733.62 and 84,360 is: 116,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.52 : 151,733.62 = 84,360 : x
  2. Step 2: Convert to fraction form
    109,902.52/151,733.62 = 84,360/x
  3. Step 3: Cross multiply
    109,902.52x = 151,733.62 × 84,360
  4. Step 4: Simplify right side
    109,902.52x = 12,800,248,183.20
  5. Step 5: Solve for x
    x = 12,800,248,183.20/109,902.52
  6. Step 6: Final answer
    x = 116,469.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.