Home / 119,808.81-165,336.33-66,093.72

Finding the Fourth Proportional to 119,808.81, 165,336.33 and 66,093.72

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Solution

The fourth proportional to 119,808.81, 165,336.33 and 66,093.72 is: 91,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,808.81 : 165,336.33 = 66,093.72 : x
  2. Step 2: Convert to fraction form
    119,808.81/165,336.33 = 66,093.72/x
  3. Step 3: Cross multiply
    119,808.81x = 165,336.33 × 66,093.72
  4. Step 4: Simplify right side
    119,808.81x = 10,927,693,100.85
  5. Step 5: Solve for x
    x = 10,927,693,100.85/119,808.81
  6. Step 6: Final answer
    x = 91,209.43

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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.