Home / 146,471.25-202,130.33-79,403.25

Finding the Fourth Proportional to 146,471.25, 202,130.33 and 79,403.25

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Solution

The fourth proportional to 146,471.25, 202,130.33 and 79,403.25 is: 109,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,471.25 : 202,130.33 = 79,403.25 : x
  2. Step 2: Convert to fraction form
    146,471.25/202,130.33 = 79,403.25/x
  3. Step 3: Cross multiply
    146,471.25x = 202,130.33 × 79,403.25
  4. Step 4: Simplify right side
    146,471.25x = 16,049,805,125.57
  5. Step 5: Solve for x
    x = 16,049,805,125.57/146,471.25
  6. Step 6: Final answer
    x = 109,576.49

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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.