Home / 146,747.25-202,512.02-79,679.25

Finding the Fourth Proportional to 146,747.25, 202,512.02 and 79,679.25

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Solution

The fourth proportional to 146,747.25, 202,512.02 and 79,679.25 is: 109,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.25 : 202,512.02 = 79,679.25 : x
  2. Step 2: Convert to fraction form
    146,747.25/202,512.02 = 79,679.25/x
  3. Step 3: Cross multiply
    146,747.25x = 202,512.02 × 79,679.25
  4. Step 4: Simplify right side
    146,747.25x = 16,136,005,471.19
  5. Step 5: Solve for x
    x = 16,136,005,471.19/146,747.25
  6. Step 6: Final answer
    x = 109,957.80

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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.