Home / 141,274.56-194,958.98-77,616.46

Finding the Fourth Proportional to 141,274.56, 194,958.98 and 77,616.46

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Solution

The fourth proportional to 141,274.56, 194,958.98 and 77,616.46 is: 107,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.56 : 194,958.98 = 77,616.46 : x
  2. Step 2: Convert to fraction form
    141,274.56/194,958.98 = 77,616.46/x
  3. Step 3: Cross multiply
    141,274.56x = 194,958.98 × 77,616.46
  4. Step 4: Simplify right side
    141,274.56x = 15,132,025,872.81
  5. Step 5: Solve for x
    x = 15,132,025,872.81/141,274.56
  6. Step 6: Final answer
    x = 107,110.76

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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.