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Finding the Fourth Proportional to 142,054, 213,081.41 and 36,873.88

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Solution

The fourth proportional to 142,054, 213,081.41 and 36,873.88 is: 55,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054 : 213,081.41 = 36,873.88 : x
  2. Step 2: Convert to fraction form
    142,054/213,081.41 = 36,873.88/x
  3. Step 3: Cross multiply
    142,054x = 213,081.41 × 36,873.88
  4. Step 4: Simplify right side
    142,054x = 7,857,138,158.20
  5. Step 5: Solve for x
    x = 7,857,138,158.20/142,054
  6. Step 6: Final answer
    x = 55,310.93

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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.