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Finding the Fourth Proportional to 94,857.60, 142,293.60 and 28,292.52

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Solution

The fourth proportional to 94,857.60, 142,293.60 and 28,292.52 is: 42,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,857.60 : 142,293.60 = 28,292.52 : x
  2. Step 2: Convert to fraction form
    94,857.60/142,293.60 = 28,292.52/x
  3. Step 3: Cross multiply
    94,857.60x = 142,293.60 × 28,292.52
  4. Step 4: Simplify right side
    94,857.60x = 4,025,844,523.87
  5. Step 5: Solve for x
    x = 4,025,844,523.87/94,857.60
  6. Step 6: Final answer
    x = 42,440.93

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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.