Home / 136,650.86-204,981.78-43,156.64

Finding the Fourth Proportional to 136,650.86, 204,981.78 and 43,156.64

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Solution

The fourth proportional to 136,650.86, 204,981.78 and 43,156.64 is: 64,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,650.86 : 204,981.78 = 43,156.64 : x
  2. Step 2: Convert to fraction form
    136,650.86/204,981.78 = 43,156.64/x
  3. Step 3: Cross multiply
    136,650.86x = 204,981.78 × 43,156.64
  4. Step 4: Simplify right side
    136,650.86x = 8,846,324,886.02
  5. Step 5: Solve for x
    x = 8,846,324,886.02/136,650.86
  6. Step 6: Final answer
    x = 64,736.69

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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.