Home / 141,630.70-195,455.94-77,974.42

Finding the Fourth Proportional to 141,630.70, 195,455.94 and 77,974.42

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Solution

The fourth proportional to 141,630.70, 195,455.94 and 77,974.42 is: 107,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630.70 : 195,455.94 = 77,974.42 : x
  2. Step 2: Convert to fraction form
    141,630.70/195,455.94 = 77,974.42/x
  3. Step 3: Cross multiply
    141,630.70x = 195,455.94 × 77,974.42
  4. Step 4: Simplify right side
    141,630.70x = 15,240,563,557.05
  5. Step 5: Solve for x
    x = 15,240,563,557.05/141,630.70
  6. Step 6: Final answer
    x = 107,607.77

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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.