Home / 146,180.75-201,729.45-79,112.75

Finding the Fourth Proportional to 146,180.75, 201,729.45 and 79,112.75

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Solution

The fourth proportional to 146,180.75, 201,729.45 and 79,112.75 is: 109,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,180.75 : 201,729.45 = 79,112.75 : x
  2. Step 2: Convert to fraction form
    146,180.75/201,729.45 = 79,112.75/x
  3. Step 3: Cross multiply
    146,180.75x = 201,729.45 × 79,112.75
  4. Step 4: Simplify right side
    146,180.75x = 15,959,371,545.49
  5. Step 5: Solve for x
    x = 15,959,371,545.49/146,180.75
  6. Step 6: Final answer
    x = 109,175.60

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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.