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Finding the Fourth Proportional to 184,072.80, 276,368.40 and 114,088.80

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Solution

The fourth proportional to 184,072.80, 276,368.40 and 114,088.80 is: 171,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,072.80 : 276,368.40 = 114,088.80 : x
  2. Step 2: Convert to fraction form
    184,072.80/276,368.40 = 114,088.80/x
  3. Step 3: Cross multiply
    184,072.80x = 276,368.40 × 114,088.80
  4. Step 4: Simplify right side
    184,072.80x = 31,530,539,113.92
  5. Step 5: Solve for x
    x = 31,530,539,113.92/184,072.80
  6. Step 6: Final answer
    x = 171,293.85

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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.