Home / 146,317.98-201,940.28-85,921.71

Finding the Fourth Proportional to 146,317.98, 201,940.28 and 85,921.71

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Solution

The fourth proportional to 146,317.98, 201,940.28 and 85,921.71 is: 118,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,317.98 : 201,940.28 = 85,921.71 : x
  2. Step 2: Convert to fraction form
    146,317.98/201,940.28 = 85,921.71/x
  3. Step 3: Cross multiply
    146,317.98x = 201,940.28 × 85,921.71
  4. Step 4: Simplify right side
    146,317.98x = 17,351,053,745.87
  5. Step 5: Solve for x
    x = 17,351,053,745.87/146,317.98
  6. Step 6: Final answer
    x = 118,584.56

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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.