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Finding the Fourth Proportional to 95,168.93, 142,773.84 and 28,603.53

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Solution

The fourth proportional to 95,168.93, 142,773.84 and 28,603.53 is: 42,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,168.93 : 142,773.84 = 28,603.53 : x
  2. Step 2: Convert to fraction form
    95,168.93/142,773.84 = 28,603.53/x
  3. Step 3: Cross multiply
    95,168.93x = 142,773.84 × 28,603.53
  4. Step 4: Simplify right side
    95,168.93x = 4,083,835,815.66
  5. Step 5: Solve for x
    x = 4,083,835,815.66/95,168.93
  6. Step 6: Final answer
    x = 42,911.44

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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.