Home / 136,900.02-204,850.46-80,767.02

Finding the Fourth Proportional to 136,900.02, 204,850.46 and 80,767.02

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Solution

The fourth proportional to 136,900.02, 204,850.46 and 80,767.02 is: 120,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,900.02 : 204,850.46 = 80,767.02 : x
  2. Step 2: Convert to fraction form
    136,900.02/204,850.46 = 80,767.02/x
  3. Step 3: Cross multiply
    136,900.02x = 204,850.46 × 80,767.02
  4. Step 4: Simplify right side
    136,900.02x = 16,545,161,199.83
  5. Step 5: Solve for x
    x = 16,545,161,199.83/136,900.02
  6. Step 6: Final answer
    x = 120,855.80

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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.