Home / 106,905.08-147,518.99-63,876

Finding the Fourth Proportional to 106,905.08, 147,518.99 and 63,876

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Solution

The fourth proportional to 106,905.08, 147,518.99 and 63,876 is: 88,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,905.08 : 147,518.99 = 63,876 : x
  2. Step 2: Convert to fraction form
    106,905.08/147,518.99 = 63,876/x
  3. Step 3: Cross multiply
    106,905.08x = 147,518.99 × 63,876
  4. Step 4: Simplify right side
    106,905.08x = 9,422,922,685.86
  5. Step 5: Solve for x
    x = 9,422,922,685.86/106,905.08
  6. Step 6: Final answer
    x = 88,142.89

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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.