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Finding the Fourth Proportional to 95,174.52, 142,762.92 and 45,259.44

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Solution

The fourth proportional to 95,174.52, 142,762.92 and 45,259.44 is: 67,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,174.52 : 142,762.92 = 45,259.44 : x
  2. Step 2: Convert to fraction form
    95,174.52/142,762.92 = 45,259.44/x
  3. Step 3: Cross multiply
    95,174.52x = 142,762.92 × 45,259.44
  4. Step 4: Simplify right side
    95,174.52x = 6,461,369,811.96
  5. Step 5: Solve for x
    x = 6,461,369,811.96/95,174.52
  6. Step 6: Final answer
    x = 67,889.70

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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.