Home / 127,199.70-175,561.83-88,949.07

Finding the Fourth Proportional to 127,199.70, 175,561.83 and 88,949.07

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Solution

The fourth proportional to 127,199.70, 175,561.83 and 88,949.07 is: 122,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,199.70 : 175,561.83 = 88,949.07 : x
  2. Step 2: Convert to fraction form
    127,199.70/175,561.83 = 88,949.07/x
  3. Step 3: Cross multiply
    127,199.70x = 175,561.83 × 88,949.07
  4. Step 4: Simplify right side
    127,199.70x = 15,616,061,506.00
  5. Step 5: Solve for x
    x = 15,616,061,506.00/127,199.70
  6. Step 6: Final answer
    x = 122,768.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.