Home / 117,705.85-162,435.44-63,989.69

Finding the Fourth Proportional to 117,705.85, 162,435.44 and 63,989.69

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Solution

The fourth proportional to 117,705.85, 162,435.44 and 63,989.69 is: 88,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.85 : 162,435.44 = 63,989.69 : x
  2. Step 2: Convert to fraction form
    117,705.85/162,435.44 = 63,989.69/x
  3. Step 3: Cross multiply
    117,705.85x = 162,435.44 × 63,989.69
  4. Step 4: Simplify right side
    117,705.85x = 10,394,192,798.41
  5. Step 5: Solve for x
    x = 10,394,192,798.41/117,705.85
  6. Step 6: Final answer
    x = 88,306.51

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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.