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Finding the Fourth Proportional to 95,572.60, 143,310.30 and 56,141.80

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Solution

The fourth proportional to 95,572.60, 143,310.30 and 56,141.80 is: 84,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,572.60 : 143,310.30 = 56,141.80 : x
  2. Step 2: Convert to fraction form
    95,572.60/143,310.30 = 56,141.80/x
  3. Step 3: Cross multiply
    95,572.60x = 143,310.30 × 56,141.80
  4. Step 4: Simplify right side
    95,572.60x = 8,045,698,200.54
  5. Step 5: Solve for x
    x = 8,045,698,200.54/95,572.60
  6. Step 6: Final answer
    x = 84,184.15

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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.