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Finding the Fourth Proportional to 119,848.44, 165,390.72 and 66,133.44

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Solution

The fourth proportional to 119,848.44, 165,390.72 and 66,133.44 is: 91,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,848.44 : 165,390.72 = 66,133.44 : x
  2. Step 2: Convert to fraction form
    119,848.44/165,390.72 = 66,133.44/x
  3. Step 3: Cross multiply
    119,848.44x = 165,390.72 × 66,133.44
  4. Step 4: Simplify right side
    119,848.44x = 10,937,857,257.68
  5. Step 5: Solve for x
    x = 10,937,857,257.68/119,848.44
  6. Step 6: Final answer
    x = 91,264.08

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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.