Home / 116,744.09-175,278.33-81,121.50

Finding the Fourth Proportional to 116,744.09, 175,278.33 and 81,121.50

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Solution

The fourth proportional to 116,744.09, 175,278.33 and 81,121.50 is: 121,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,744.09 : 175,278.33 = 81,121.50 : x
  2. Step 2: Convert to fraction form
    116,744.09/175,278.33 = 81,121.50/x
  3. Step 3: Cross multiply
    116,744.09x = 175,278.33 × 81,121.50
  4. Step 4: Simplify right side
    116,744.09x = 14,218,841,047.10
  5. Step 5: Solve for x
    x = 14,218,841,047.10/116,744.09
  6. Step 6: Final answer
    x = 121,794.96

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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.