Home / 149,902.12-206,878.02-82,847.08

Finding the Fourth Proportional to 149,902.12, 206,878.02 and 82,847.08

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Solution

The fourth proportional to 149,902.12, 206,878.02 and 82,847.08 is: 114,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,902.12 : 206,878.02 = 82,847.08 : x
  2. Step 2: Convert to fraction form
    149,902.12/206,878.02 = 82,847.08/x
  3. Step 3: Cross multiply
    149,902.12x = 206,878.02 × 82,847.08
  4. Step 4: Simplify right side
    149,902.12x = 17,139,239,873.18
  5. Step 5: Solve for x
    x = 17,139,239,873.18/149,902.12
  6. Step 6: Final answer
    x = 114,336.21

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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.