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Finding the Fourth Proportional to 116,985, 175,495.74 and 38,080.56

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Solution

The fourth proportional to 116,985, 175,495.74 and 38,080.56 is: 57,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,985 : 175,495.74 = 38,080.56 : x
  2. Step 2: Convert to fraction form
    116,985/175,495.74 = 38,080.56/x
  3. Step 3: Cross multiply
    116,985x = 175,495.74 × 38,080.56
  4. Step 4: Simplify right side
    116,985x = 6,682,976,056.81
  5. Step 5: Solve for x
    x = 6,682,976,056.81/116,985
  6. Step 6: Final answer
    x = 57,126.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.