Home / 141,089.54-194,696.12-80,652.20

Finding the Fourth Proportional to 141,089.54, 194,696.12 and 80,652.20

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Solution

The fourth proportional to 141,089.54, 194,696.12 and 80,652.20 is: 111,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,089.54 : 194,696.12 = 80,652.20 : x
  2. Step 2: Convert to fraction form
    141,089.54/194,696.12 = 80,652.20/x
  3. Step 3: Cross multiply
    141,089.54x = 194,696.12 × 80,652.20
  4. Step 4: Simplify right side
    141,089.54x = 15,702,669,637.61
  5. Step 5: Solve for x
    x = 15,702,669,637.61/141,089.54
  6. Step 6: Final answer
    x = 111,295.78

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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.