Home / 119,809.40-165,334.92-66,099.56

Finding the Fourth Proportional to 119,809.40, 165,334.92 and 66,099.56

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Solution

The fourth proportional to 119,809.40, 165,334.92 and 66,099.56 is: 91,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,809.40 : 165,334.92 = 66,099.56 : x
  2. Step 2: Convert to fraction form
    119,809.40/165,334.92 = 66,099.56/x
  3. Step 3: Cross multiply
    119,809.40x = 165,334.92 × 66,099.56
  4. Step 4: Simplify right side
    119,809.40x = 10,928,565,464.64
  5. Step 5: Solve for x
    x = 10,928,565,464.64/119,809.40
  6. Step 6: Final answer
    x = 91,216.26

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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.