Home / 146,748.20-202,513.44-79,680.20

Finding the Fourth Proportional to 146,748.20, 202,513.44 and 79,680.20

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Solution

The fourth proportional to 146,748.20, 202,513.44 and 79,680.20 is: 109,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,748.20 : 202,513.44 = 79,680.20 : x
  2. Step 2: Convert to fraction form
    146,748.20/202,513.44 = 79,680.20/x
  3. Step 3: Cross multiply
    146,748.20x = 202,513.44 × 79,680.20
  4. Step 4: Simplify right side
    146,748.20x = 16,136,311,401.89
  5. Step 5: Solve for x
    x = 16,136,311,401.89/146,748.20
  6. Step 6: Final answer
    x = 109,959.18

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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.