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Finding the Fourth Proportional to 95,235.60, 143,182.80 and 89,068.80

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Solution

The fourth proportional to 95,235.60, 143,182.80 and 89,068.80 is: 133,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,235.60 : 143,182.80 = 89,068.80 : x
  2. Step 2: Convert to fraction form
    95,235.60/143,182.80 = 89,068.80/x
  3. Step 3: Cross multiply
    95,235.60x = 143,182.80 × 89,068.80
  4. Step 4: Simplify right side
    95,235.60x = 12,753,120,176.64
  5. Step 5: Solve for x
    x = 12,753,120,176.64/95,235.60
  6. Step 6: Final answer
    x = 133,911.27

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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.