Home / 119,692.74-165,175.94-65,978.66

Finding the Fourth Proportional to 119,692.74, 165,175.94 and 65,978.66

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Solution

The fourth proportional to 119,692.74, 165,175.94 and 65,978.66 is: 91,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,692.74 : 165,175.94 = 65,978.66 : x
  2. Step 2: Convert to fraction form
    119,692.74/165,175.94 = 65,978.66/x
  3. Step 3: Cross multiply
    119,692.74x = 165,175.94 × 65,978.66
  4. Step 4: Simplify right side
    119,692.74x = 10,898,086,029.67
  5. Step 5: Solve for x
    x = 10,898,086,029.67/119,692.74
  6. Step 6: Final answer
    x = 91,050.52

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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.