Home / 141,996.48-195,954.87-77,465.72

Finding the Fourth Proportional to 141,996.48, 195,954.87 and 77,465.72

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Solution

The fourth proportional to 141,996.48, 195,954.87 and 77,465.72 is: 106,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,996.48 : 195,954.87 = 77,465.72 : x
  2. Step 2: Convert to fraction form
    141,996.48/195,954.87 = 77,465.72/x
  3. Step 3: Cross multiply
    141,996.48x = 195,954.87 × 77,465.72
  4. Step 4: Simplify right side
    141,996.48x = 15,179,784,795.83
  5. Step 5: Solve for x
    x = 15,179,784,795.83/141,996.48
  6. Step 6: Final answer
    x = 106,902.54

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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.