Home / 176,540.82-243,679.71-119,985

Finding the Fourth Proportional to 176,540.82, 243,679.71 and 119,985

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Solution

The fourth proportional to 176,540.82, 243,679.71 and 119,985 is: 165,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,540.82 : 243,679.71 = 119,985 : x
  2. Step 2: Convert to fraction form
    176,540.82/243,679.71 = 119,985/x
  3. Step 3: Cross multiply
    176,540.82x = 243,679.71 × 119,985
  4. Step 4: Simplify right side
    176,540.82x = 29,237,910,004.35
  5. Step 5: Solve for x
    x = 29,237,910,004.35/176,540.82
  6. Step 6: Final answer
    x = 165,615.58

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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.