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Finding the Fourth Proportional to 95,814.70, 143,743.65 and 29,257.90

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Solution

The fourth proportional to 95,814.70, 143,743.65 and 29,257.90 is: 43,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,814.70 : 143,743.65 = 29,257.90 : x
  2. Step 2: Convert to fraction form
    95,814.70/143,743.65 = 29,257.90/x
  3. Step 3: Cross multiply
    95,814.70x = 143,743.65 × 29,257.90
  4. Step 4: Simplify right side
    95,814.70x = 4,205,637,337.34
  5. Step 5: Solve for x
    x = 4,205,637,337.34/95,814.70
  6. Step 6: Final answer
    x = 43,893.45

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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.