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Finding the Fourth Proportional to 184,266.14, 276,234.65 and 71,920.10

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Solution

The fourth proportional to 184,266.14, 276,234.65 and 71,920.10 is: 107,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,266.14 : 276,234.65 = 71,920.10 : x
  2. Step 2: Convert to fraction form
    184,266.14/276,234.65 = 71,920.10/x
  3. Step 3: Cross multiply
    184,266.14x = 276,234.65 × 71,920.10
  4. Step 4: Simplify right side
    184,266.14x = 19,866,824,656.70
  5. Step 5: Solve for x
    x = 19,866,824,656.70/184,266.14
  6. Step 6: Final answer
    x = 107,815.93

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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.