Home / 109,447.92-164,074.97-42,935.78

Finding the Fourth Proportional to 109,447.92, 164,074.97 and 42,935.78

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Solution

The fourth proportional to 109,447.92, 164,074.97 and 42,935.78 is: 64,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,447.92 : 164,074.97 = 42,935.78 : x
  2. Step 2: Convert to fraction form
    109,447.92/164,074.97 = 42,935.78/x
  3. Step 3: Cross multiply
    109,447.92x = 164,074.97 × 42,935.78
  4. Step 4: Simplify right side
    109,447.92x = 7,044,685,780.37
  5. Step 5: Solve for x
    x = 7,044,685,780.37/109,447.92
  6. Step 6: Final answer
    x = 64,365.64

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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.