Home / 146,940.72-202,780.47-85,685.25

Finding the Fourth Proportional to 146,940.72, 202,780.47 and 85,685.25

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Solution

The fourth proportional to 146,940.72, 202,780.47 and 85,685.25 is: 118,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,940.72 : 202,780.47 = 85,685.25 : x
  2. Step 2: Convert to fraction form
    146,940.72/202,780.47 = 85,685.25/x
  3. Step 3: Cross multiply
    146,940.72x = 202,780.47 × 85,685.25
  4. Step 4: Simplify right side
    146,940.72x = 17,375,295,267.07
  5. Step 5: Solve for x
    x = 17,375,295,267.07/146,940.72
  6. Step 6: Final answer
    x = 118,246.97

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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.