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Finding the Fourth Proportional to 116,001.70, 174,164.55 and 74,140.90

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Solution

The fourth proportional to 116,001.70, 174,164.55 and 74,140.90 is: 111,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.70 : 174,164.55 = 74,140.90 : x
  2. Step 2: Convert to fraction form
    116,001.70/174,164.55 = 74,140.90/x
  3. Step 3: Cross multiply
    116,001.70x = 174,164.55 × 74,140.90
  4. Step 4: Simplify right side
    116,001.70x = 12,912,716,485.10
  5. Step 5: Solve for x
    x = 12,912,716,485.10/116,001.70
  6. Step 6: Final answer
    x = 111,314.89

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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.