Home / 136,560.20-204,832.04-51,154.20

Finding the Fourth Proportional to 136,560.20, 204,832.04 and 51,154.20

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Solution

The fourth proportional to 136,560.20, 204,832.04 and 51,154.20 is: 76,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,560.20 : 204,832.04 = 51,154.20 : x
  2. Step 2: Convert to fraction form
    136,560.20/204,832.04 = 51,154.20/x
  3. Step 3: Cross multiply
    136,560.20x = 204,832.04 × 51,154.20
  4. Step 4: Simplify right side
    136,560.20x = 10,478,018,884.80
  5. Step 5: Solve for x
    x = 10,478,018,884.80/136,560.20
  6. Step 6: Final answer
    x = 76,728.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.