Home / 85,169.90-127,772.67-29,005.58

Finding the Fourth Proportional to 85,169.90, 127,772.67 and 29,005.58

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Solution

The fourth proportional to 85,169.90, 127,772.67 and 29,005.58 is: 43,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.90 : 127,772.67 = 29,005.58 : x
  2. Step 2: Convert to fraction form
    85,169.90/127,772.67 = 29,005.58/x
  3. Step 3: Cross multiply
    85,169.90x = 127,772.67 × 29,005.58
  4. Step 4: Simplify right side
    85,169.90x = 3,706,120,401.50
  5. Step 5: Solve for x
    x = 3,706,120,401.50/85,169.90
  6. Step 6: Final answer
    x = 43,514.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.