Home / 184,531.20-276,782.40-72,189.60

Finding the Fourth Proportional to 184,531.20, 276,782.40 and 72,189.60

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Solution

The fourth proportional to 184,531.20, 276,782.40 and 72,189.60 is: 108,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,531.20 : 276,782.40 = 72,189.60 : x
  2. Step 2: Convert to fraction form
    184,531.20/276,782.40 = 72,189.60/x
  3. Step 3: Cross multiply
    184,531.20x = 276,782.40 × 72,189.60
  4. Step 4: Simplify right side
    184,531.20x = 19,980,810,743.04
  5. Step 5: Solve for x
    x = 19,980,810,743.04/184,531.20
  6. Step 6: Final answer
    x = 108,278.77

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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.