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Finding the Fourth Proportional to 119,801.79, 165,319.79 and 66,076.11

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Solution

The fourth proportional to 119,801.79, 165,319.79 and 66,076.11 is: 91,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,801.79 : 165,319.79 = 66,076.11 : x
  2. Step 2: Convert to fraction form
    119,801.79/165,319.79 = 66,076.11/x
  3. Step 3: Cross multiply
    119,801.79x = 165,319.79 × 66,076.11
  4. Step 4: Simplify right side
    119,801.79x = 10,923,688,298.84
  5. Step 5: Solve for x
    x = 10,923,688,298.84/119,801.79
  6. Step 6: Final answer
    x = 91,181.34

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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.