Home / 119,909.77-165,475.88-66,194.66

Finding the Fourth Proportional to 119,909.77, 165,475.88 and 66,194.66

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Solution

The fourth proportional to 119,909.77, 165,475.88 and 66,194.66 is: 91,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,909.77 : 165,475.88 = 66,194.66 : x
  2. Step 2: Convert to fraction form
    119,909.77/165,475.88 = 66,194.66/x
  3. Step 3: Cross multiply
    119,909.77x = 165,475.88 × 66,194.66
  4. Step 4: Simplify right side
    119,909.77x = 10,953,619,614.80
  5. Step 5: Solve for x
    x = 10,953,619,614.80/119,909.77
  6. Step 6: Final answer
    x = 91,348.85

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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.