Home / 68,132.02-102,198.05-30,648.30

Finding the Fourth Proportional to 68,132.02, 102,198.05 and 30,648.30

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Solution

The fourth proportional to 68,132.02, 102,198.05 and 30,648.30 is: 45,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,132.02 : 102,198.05 = 30,648.30 : x
  2. Step 2: Convert to fraction form
    68,132.02/102,198.05 = 30,648.30/x
  3. Step 3: Cross multiply
    68,132.02x = 102,198.05 × 30,648.30
  4. Step 4: Simplify right side
    68,132.02x = 3,132,195,984.82
  5. Step 5: Solve for x
    x = 3,132,195,984.82/68,132.02
  6. Step 6: Final answer
    x = 45,972.45

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1.5x scale

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.