Home / 141,427.89-195,211.85-84,107.52

Finding the Fourth Proportional to 141,427.89, 195,211.85 and 84,107.52

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Solution

The fourth proportional to 141,427.89, 195,211.85 and 84,107.52 is: 116,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427.89 : 195,211.85 = 84,107.52 : x
  2. Step 2: Convert to fraction form
    141,427.89/195,211.85 = 84,107.52/x
  3. Step 3: Cross multiply
    141,427.89x = 195,211.85 × 84,107.52
  4. Step 4: Simplify right side
    141,427.89x = 16,418,784,157.57
  5. Step 5: Solve for x
    x = 16,418,784,157.57/141,427.89
  6. Step 6: Final answer
    x = 116,092.97

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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.