Home / 136,901.02-204,851.96-80,768.02

Finding the Fourth Proportional to 136,901.02, 204,851.96 and 80,768.02

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Solution

The fourth proportional to 136,901.02, 204,851.96 and 80,768.02 is: 120,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,901.02 : 204,851.96 = 80,768.02 : x
  2. Step 2: Convert to fraction form
    136,901.02/204,851.96 = 80,768.02/x
  3. Step 3: Cross multiply
    136,901.02x = 204,851.96 × 80,768.02
  4. Step 4: Simplify right side
    136,901.02x = 16,545,487,202.32
  5. Step 5: Solve for x
    x = 16,545,487,202.32/136,901.02
  6. Step 6: Final answer
    x = 120,857.30

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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.