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Finding the Fourth Proportional to 116,052.59, 173,783.48 and 76,489.76

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Solution

The fourth proportional to 116,052.59, 173,783.48 and 76,489.76 is: 114,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,052.59 : 173,783.48 = 76,489.76 : x
  2. Step 2: Convert to fraction form
    116,052.59/173,783.48 = 76,489.76/x
  3. Step 3: Cross multiply
    116,052.59x = 173,783.48 × 76,489.76
  4. Step 4: Simplify right side
    116,052.59x = 13,292,656,729.17
  5. Step 5: Solve for x
    x = 13,292,656,729.17/116,052.59
  6. Step 6: Final answer
    x = 114,539.94

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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.