Home / 119,849.44-165,392.10-66,134.44

Finding the Fourth Proportional to 119,849.44, 165,392.10 and 66,134.44

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Solution

The fourth proportional to 119,849.44, 165,392.10 and 66,134.44 is: 91,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849.44 : 165,392.10 = 66,134.44 : x
  2. Step 2: Convert to fraction form
    119,849.44/165,392.10 = 66,134.44/x
  3. Step 3: Cross multiply
    119,849.44x = 165,392.10 × 66,134.44
  4. Step 4: Simplify right side
    119,849.44x = 10,938,113,913.92
  5. Step 5: Solve for x
    x = 10,938,113,913.92/119,849.44
  6. Step 6: Final answer
    x = 91,265.46

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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.