Home / 119,817.68-165,348.94-66,102.67

Finding the Fourth Proportional to 119,817.68, 165,348.94 and 66,102.67

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Solution

The fourth proportional to 119,817.68, 165,348.94 and 66,102.67 is: 91,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.68 : 165,348.94 = 66,102.67 : x
  2. Step 2: Convert to fraction form
    119,817.68/165,348.94 = 66,102.67/x
  3. Step 3: Cross multiply
    119,817.68x = 165,348.94 × 66,102.67
  4. Step 4: Simplify right side
    119,817.68x = 10,930,006,415.67
  5. Step 5: Solve for x
    x = 10,930,006,415.67/119,817.68
  6. Step 6: Final answer
    x = 91,221.98

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1.5x scale

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.