Home / 146,748.16-202,512.54-79,680.16

Finding the Fourth Proportional to 146,748.16, 202,512.54 and 79,680.16

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Solution

The fourth proportional to 146,748.16, 202,512.54 and 79,680.16 is: 109,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,748.16 : 202,512.54 = 79,680.16 : x
  2. Step 2: Convert to fraction form
    146,748.16/202,512.54 = 79,680.16/x
  3. Step 3: Cross multiply
    146,748.16x = 202,512.54 × 79,680.16
  4. Step 4: Simplify right side
    146,748.16x = 16,136,231,589.21
  5. Step 5: Solve for x
    x = 16,136,231,589.21/146,748.16
  6. Step 6: Final answer
    x = 109,958.66

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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.