Home / 141,144.12-194,777.46-77,480.28

Finding the Fourth Proportional to 141,144.12, 194,777.46 and 77,480.28

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Solution

The fourth proportional to 141,144.12, 194,777.46 and 77,480.28 is: 106,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,144.12 : 194,777.46 = 77,480.28 : x
  2. Step 2: Convert to fraction form
    141,144.12/194,777.46 = 77,480.28/x
  3. Step 3: Cross multiply
    141,144.12x = 194,777.46 × 77,480.28
  4. Step 4: Simplify right side
    141,144.12x = 15,091,412,138.49
  5. Step 5: Solve for x
    x = 15,091,412,138.49/141,144.12
  6. Step 6: Final answer
    x = 106,922.00

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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.