Home / 220,181.40-330,272.10-114,986.70

Finding the Fourth Proportional to 220,181.40, 330,272.10 and 114,986.70

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Solution

The fourth proportional to 220,181.40, 330,272.10 and 114,986.70 is: 172,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,181.40 : 330,272.10 = 114,986.70 : x
  2. Step 2: Convert to fraction form
    220,181.40/330,272.10 = 114,986.70/x
  3. Step 3: Cross multiply
    220,181.40x = 330,272.10 × 114,986.70
  4. Step 4: Simplify right side
    220,181.40x = 37,976,898,881.07
  5. Step 5: Solve for x
    x = 37,976,898,881.07/220,181.40
  6. Step 6: Final answer
    x = 172,480.05

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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.