Home / 119,131.56-178,425.18-56,845.80

Finding the Fourth Proportional to 119,131.56, 178,425.18 and 56,845.80

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Solution

The fourth proportional to 119,131.56, 178,425.18 and 56,845.80 is: 85,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,131.56 : 178,425.18 = 56,845.80 : x
  2. Step 2: Convert to fraction form
    119,131.56/178,425.18 = 56,845.80/x
  3. Step 3: Cross multiply
    119,131.56x = 178,425.18 × 56,845.80
  4. Step 4: Simplify right side
    119,131.56x = 10,142,722,097.24
  5. Step 5: Solve for x
    x = 10,142,722,097.24/119,131.56
  6. Step 6: Final answer
    x = 85,138.83

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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.