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Finding the Fourth Proportional to 85,119.80, 127,726.13 and 35,204.22

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Solution

The fourth proportional to 85,119.80, 127,726.13 and 35,204.22 is: 52,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.80 : 127,726.13 = 35,204.22 : x
  2. Step 2: Convert to fraction form
    85,119.80/127,726.13 = 35,204.22/x
  3. Step 3: Cross multiply
    85,119.80x = 127,726.13 × 35,204.22
  4. Step 4: Simplify right side
    85,119.80x = 4,496,498,868.28
  5. Step 5: Solve for x
    x = 4,496,498,868.28/85,119.80
  6. Step 6: Final answer
    x = 52,825.54

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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.