Home / 141,631.42-195,443.85-77,956.96

Finding the Fourth Proportional to 141,631.42, 195,443.85 and 77,956.96

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Solution

The fourth proportional to 141,631.42, 195,443.85 and 77,956.96 is: 107,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,631.42 : 195,443.85 = 77,956.96 : x
  2. Step 2: Convert to fraction form
    141,631.42/195,443.85 = 77,956.96/x
  3. Step 3: Cross multiply
    141,631.42x = 195,443.85 × 77,956.96
  4. Step 4: Simplify right side
    141,631.42x = 15,236,208,396.70
  5. Step 5: Solve for x
    x = 15,236,208,396.70/141,631.42
  6. Step 6: Final answer
    x = 107,576.47

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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.