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Finding the Fourth Proportional to 184,342.40, 276,351.60 and 124,985.60

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Solution

The fourth proportional to 184,342.40, 276,351.60 and 124,985.60 is: 187,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,342.40 : 276,351.60 = 124,985.60 : x
  2. Step 2: Convert to fraction form
    184,342.40/276,351.60 = 124,985.60/x
  3. Step 3: Cross multiply
    184,342.40x = 276,351.60 × 124,985.60
  4. Step 4: Simplify right side
    184,342.40x = 34,539,970,536.96
  5. Step 5: Solve for x
    x = 34,539,970,536.96/184,342.40
  6. Step 6: Final answer
    x = 187,368.56

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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.