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Finding the Fourth Proportional to 96,524.80, 144,801.60 and 34,190.40

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Solution

The fourth proportional to 96,524.80, 144,801.60 and 34,190.40 is: 51,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,524.80 : 144,801.60 = 34,190.40 : x
  2. Step 2: Convert to fraction form
    96,524.80/144,801.60 = 34,190.40/x
  3. Step 3: Cross multiply
    96,524.80x = 144,801.60 × 34,190.40
  4. Step 4: Simplify right side
    96,524.80x = 4,950,824,624.64
  5. Step 5: Solve for x
    x = 4,950,824,624.64/96,524.80
  6. Step 6: Final answer
    x = 51,290.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.