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Finding the Fourth Proportional to 134,773.72, 202,180.80 and 43,558.72

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Solution

The fourth proportional to 134,773.72, 202,180.80 and 43,558.72 is: 65,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,773.72 : 202,180.80 = 43,558.72 : x
  2. Step 2: Convert to fraction form
    134,773.72/202,180.80 = 43,558.72/x
  3. Step 3: Cross multiply
    134,773.72x = 202,180.80 × 43,558.72
  4. Step 4: Simplify right side
    134,773.72x = 8,806,736,856.58
  5. Step 5: Solve for x
    x = 8,806,736,856.58/134,773.72
  6. Step 6: Final answer
    x = 65,344.62

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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.