Home / 116,945.10-175,089.60-113,664.60

Finding the Fourth Proportional to 116,945.10, 175,089.60 and 113,664.60

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Solution

The fourth proportional to 116,945.10, 175,089.60 and 113,664.60 is: 170,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945.10 : 175,089.60 = 113,664.60 : x
  2. Step 2: Convert to fraction form
    116,945.10/175,089.60 = 113,664.60/x
  3. Step 3: Cross multiply
    116,945.10x = 175,089.60 × 113,664.60
  4. Step 4: Simplify right side
    116,945.10x = 19,901,489,348.16
  5. Step 5: Solve for x
    x = 19,901,489,348.16/116,945.10
  6. Step 6: Final answer
    x = 170,178.05

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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.