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Finding the Fourth Proportional to 95,160.84, 142,739.64 and 28,601.52

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Solution

The fourth proportional to 95,160.84, 142,739.64 and 28,601.52 is: 42,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.84 : 142,739.64 = 28,601.52 : x
  2. Step 2: Convert to fraction form
    95,160.84/142,739.64 = 28,601.52/x
  3. Step 3: Cross multiply
    95,160.84x = 142,739.64 × 28,601.52
  4. Step 4: Simplify right side
    95,160.84x = 4,082,570,668.25
  5. Step 5: Solve for x
    x = 4,082,570,668.25/95,160.84
  6. Step 6: Final answer
    x = 42,901.79

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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.