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Finding the Fourth Proportional to 219,539.82, 302,965.26 and 118,937.82

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Solution

The fourth proportional to 219,539.82, 302,965.26 and 118,937.82 is: 164,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,539.82 : 302,965.26 = 118,937.82 : x
  2. Step 2: Convert to fraction form
    219,539.82/302,965.26 = 118,937.82/x
  3. Step 3: Cross multiply
    219,539.82x = 302,965.26 × 118,937.82
  4. Step 4: Simplify right side
    219,539.82x = 36,034,027,560.13
  5. Step 5: Solve for x
    x = 36,034,027,560.13/219,539.82
  6. Step 6: Final answer
    x = 164,134.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.